1291217580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 216

約数和(自身を含む): 4273686144

約数和(自身を除く): 2982468564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 361, 372, 380, 465, 558, 570, 589, 620, 641, 684, 722, 855, 930, 1083, 1116, 1140, 1178, 1282, 1395, 1444, 1710, 1767, 1805, 1860, 1923, 2166, 2356, 2564, 2790, 2945, 3205, 3249, 3420, 3534, 3610, 3846, 4332, 5301, 5415, 5580, 5769, 5890, 6410, 6498, 7068, 7220, 7692, 8835, 9615, 10602, 10830, 11191, 11538, 11780, 12179, 12820, 12996, 16245, 17670, 19230, 19871, 21204, 21660, 22382, 23076, 24358, 26505, 28845, 32490, 33573, 35340, 36537, 38460, 39742, 44764, 48716, 53010, 55955, 57690, 59613, 60895, 64980, 67146, 73074, 79484, 99355, 100719, 106020, 109611, 111910, 115380, 119226, 121790, 134292, 146148, 167865, 178839, 182685, 198710, 201438, 219222, 223820, 231401, 238452, 243580, 298065, 335730, 357678, 365370, 377549, 397420, 402876, 438444, 462802, 503595, 548055, 596130, 671460, 694203, 715356, 730740, 755098, 894195, 925604, 1007190, 1096110, 1132647, 1157005, 1192260, 1388406, 1510196, 1788390, 1887745, 2014380, 2082609, 2192220, 2265294, 2314010, 2776812, 3397941, 3471015, 3576780, 3775490, 4165218, 4530588, 4628020, 5663235, 6795882, 6942030, 7173431, 7550980, 8330436, 10413045, 11326470, 13591764, 13884060, 14346862, 16989705, 20826090, 21520293, 22652940, 28693724, 33979410, 35867155, 41652180, 43040586, 64560879, 67958820, 71734310, 86081172, 107601465, 129121758, 143468620, 215202930, 258243516, 322804395, 430405860, 645608790, 1291217580]

約数ペア:

[(1, 1291217580), (2, 645608790), (3, 430405860), (4, 322804395), (5, 258243516), (6, 215202930), (9, 143468620), (10, 129121758), (12, 107601465), (15, 86081172), (18, 71734310), (19, 67958820), (20, 64560879), (30, 43040586), (31, 41652180), (36, 35867155), (38, 33979410), (45, 28693724), (57, 22652940), (60, 21520293), (62, 20826090), (76, 16989705), (90, 14346862), (93, 13884060), (95, 13591764), (114, 11326470), (124, 10413045), (155, 8330436), (171, 7550980), (180, 7173431), (186, 6942030), (190, 6795882), (228, 5663235), (279, 4628020), (285, 4530588), (310, 4165218), (342, 3775490), (361, 3576780), (372, 3471015), (380, 3397941), (465, 2776812), (558, 2314010), (570, 2265294), (589, 2192220), (620, 2082609), (641, 2014380), (684, 1887745), (722, 1788390), (855, 1510196), (930, 1388406), (1083, 1192260), (1116, 1157005), (1140, 1132647), (1178, 1096110), (1282, 1007190), (1395, 925604), (1444, 894195), (1710, 755098), (1767, 730740), (1805, 715356), (1860, 694203), (1923, 671460), (2166, 596130), (2356, 548055), (2564, 503595), (2790, 462802), (2945, 438444), (3205, 402876), (3249, 397420), (3420, 377549), (3534, 365370), (3610, 357678), (3846, 335730), (4332, 298065), (5301, 243580), (5415, 238452), (5580, 231401), (5769, 223820), (5890, 219222), (6410, 201438), (6498, 198710), (7068, 182685), (7220, 178839), (7692, 167865), (8835, 146148), (9615, 134292), (10602, 121790), (10830, 119226), (11191, 115380), (11538, 111910), (11780, 109611), (12179, 106020), (12820, 100719), (12996, 99355), (16245, 79484), (17670, 73074), (19230, 67146), (19871, 64980), (21204, 60895), (21660, 59613), (22382, 57690), (23076, 55955), (24358, 53010), (26505, 48716), (28845, 44764), (32490, 39742), (33573, 38460), (35340, 36537)]