7987512780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:597

約数の個数: 288

約数和(自身を含む): 26734675968

約数和(自身を除く): 18747163188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 131, 142, 156, 180, 195, 213, 234, 260, 262, 284, 355, 367, 390, 393, 426, 468, 524, 585, 639, 655, 710, 734, 780, 786, 852, 923, 1065, 1101, 1170, 1179, 1278, 1310, 1420, 1468, 1572, 1703, 1835, 1846, 1965, 2130, 2202, 2340, 2358, 2556, 2620, 2769, 3195, 3303, 3406, 3670, 3692, 3930, 4260, 4404, 4615, 4716, 4771, 5109, 5505, 5538, 5895, 6390, 6606, 6812, 7340, 7860, 8307, 8515, 9230, 9301, 9542, 10218, 11010, 11076, 11790, 12780, 13212, 13845, 14313, 15327, 16515, 16614, 17030, 18460, 18602, 19084, 20436, 22020, 23580, 23855, 25545, 26057, 27690, 27903, 28626, 30654, 33030, 33228, 34060, 37204, 41535, 42939, 46505, 47710, 48077, 51090, 52114, 55380, 55806, 57252, 61308, 66060, 71565, 76635, 78171, 83070, 83709, 85878, 93010, 95420, 96154, 102180, 104228, 111612, 120913, 130285, 139515, 143130, 144231, 153270, 156342, 166140, 167418, 171756, 186020, 192308, 214695, 234513, 240385, 241826, 260570, 279030, 286260, 288462, 306540, 312684, 334836, 338741, 362739, 390855, 418545, 429390, 432693, 469026, 480770, 483652, 521140, 558060, 576924, 604565, 625001, 677482, 721155, 725478, 781710, 837090, 858780, 865386, 938052, 961540, 1016223, 1088217, 1172565, 1209130, 1250002, 1354964, 1442310, 1450956, 1563420, 1674180, 1693705, 1730772, 1813695, 1875003, 2032446, 2163465, 2176434, 2345130, 2418260, 2500004, 2884620, 3048669, 3125005, 3387410, 3413467, 3627390, 3750006, 4064892, 4326930, 4352868, 4690260, 5081115, 5441085, 5625009, 6097338, 6250010, 6774820, 6826934, 7254780, 7500012, 8653860, 9375015, 10162230, 10240401, 10882170, 11250018, 12194676, 12500020, 13653868, 15243345, 17067335, 18750030, 20324460, 20480802, 21764340, 22500036, 28125045, 30486690, 30721203, 34134670, 37500060, 40961604, 44375071, 51202005, 56250090, 60973380, 61442406, 68269340, 88750142, 102404010, 112500180, 122884812, 133125213, 153606015, 177500284, 204808020, 221875355, 266250426, 307212030, 399375639, 443750710, 532500852, 614424060, 665626065, 798751278, 887501420, 1331252130, 1597502556, 1996878195, 2662504260, 3993756390, 7987512780]

約数ペア:

[(1, 7987512780), (2, 3993756390), (3, 2662504260), (4, 1996878195), (5, 1597502556), (6, 1331252130), (9, 887501420), (10, 798751278), (12, 665626065), (13, 614424060), (15, 532500852), (18, 443750710), (20, 399375639), (26, 307212030), (30, 266250426), (36, 221875355), (39, 204808020), (45, 177500284), (52, 153606015), (60, 133125213), (65, 122884812), (71, 112500180), (78, 102404010), (90, 88750142), (117, 68269340), (130, 61442406), (131, 60973380), (142, 56250090), (156, 51202005), (180, 44375071), (195, 40961604), (213, 37500060), (234, 34134670), (260, 30721203), (262, 30486690), (284, 28125045), (355, 22500036), (367, 21764340), (390, 20480802), (393, 20324460), (426, 18750030), (468, 17067335), (524, 15243345), (585, 13653868), (639, 12500020), (655, 12194676), (710, 11250018), (734, 10882170), (780, 10240401), (786, 10162230), (852, 9375015), (923, 8653860), (1065, 7500012), (1101, 7254780), (1170, 6826934), (1179, 6774820), (1278, 6250010), (1310, 6097338), (1420, 5625009), (1468, 5441085), (1572, 5081115), (1703, 4690260), (1835, 4352868), (1846, 4326930), (1965, 4064892), (2130, 3750006), (2202, 3627390), (2340, 3413467), (2358, 3387410), (2556, 3125005), (2620, 3048669), (2769, 2884620), (3195, 2500004), (3303, 2418260), (3406, 2345130), (3670, 2176434), (3692, 2163465), (3930, 2032446), (4260, 1875003), (4404, 1813695), (4615, 1730772), (4716, 1693705), (4771, 1674180), (5109, 1563420), (5505, 1450956), (5538, 1442310), (5895, 1354964), (6390, 1250002), (6606, 1209130), (6812, 1172565), (7340, 1088217), (7860, 1016223), (8307, 961540), (8515, 938052), (9230, 865386), (9301, 858780), (9542, 837090), (10218, 781710), (11010, 725478), (11076, 721155), (11790, 677482), (12780, 625001), (13212, 604565), (13845, 576924), (14313, 558060), (15327, 521140), (16515, 483652), (16614, 480770), (17030, 469026), (18460, 432693), (18602, 429390), (19084, 418545), (20436, 390855), (22020, 362739), (23580, 338741), (23855, 334836), (25545, 312684), (26057, 306540), (27690, 288462), (27903, 286260), (28626, 279030), (30654, 260570), (33030, 241826), (33228, 240385), (34060, 234513), (37204, 214695), (41535, 192308), (42939, 186020), (46505, 171756), (47710, 167418), (48077, 166140), (51090, 156342), (52114, 153270), (55380, 144231), (55806, 143130), (57252, 139515), (61308, 130285), (66060, 120913), (71565, 111612), (76635, 104228), (78171, 102180), (83070, 96154), (83709, 95420), (85878, 93010)]