645490680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 256

約数和(自身を含む): 2164838400

約数和(自身を除く): 1519347720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 59, 60, 62, 68, 85, 93, 102, 118, 120, 124, 136, 155, 170, 173, 177, 186, 204, 236, 248, 255, 295, 310, 340, 346, 354, 372, 408, 465, 472, 510, 519, 527, 590, 620, 680, 692, 708, 744, 865, 885, 930, 1003, 1020, 1038, 1054, 1180, 1240, 1384, 1416, 1581, 1730, 1770, 1829, 1860, 2006, 2040, 2076, 2108, 2360, 2595, 2635, 2941, 3009, 3162, 3460, 3540, 3658, 3720, 4012, 4152, 4216, 5015, 5190, 5270, 5363, 5487, 5882, 6018, 6324, 6920, 7080, 7316, 7905, 8024, 8823, 9145, 10030, 10207, 10380, 10540, 10726, 10974, 11764, 12036, 12648, 14632, 14705, 15045, 15810, 16089, 17646, 18290, 20060, 20414, 20760, 21080, 21452, 21948, 23528, 24072, 26815, 27435, 29410, 30090, 30621, 31093, 31620, 32178, 35292, 36580, 40120, 40828, 42904, 43896, 44115, 51035, 53630, 54870, 58820, 60180, 61242, 62186, 63240, 64356, 70584, 73160, 80445, 81656, 88230, 91171, 93279, 102070, 107260, 109740, 117640, 120360, 122484, 124372, 128712, 153105, 155465, 160890, 173519, 176460, 182342, 186558, 204140, 214520, 219480, 244968, 248744, 273513, 306210, 310930, 316417, 321780, 347038, 352920, 364684, 373116, 408280, 455855, 466395, 520557, 547026, 612420, 621860, 632834, 643560, 694076, 729368, 746232, 867595, 911710, 932790, 949251, 1041114, 1094052, 1224840, 1243720, 1265668, 1367565, 1388152, 1582085, 1735190, 1823420, 1865580, 1898502, 2082228, 2188104, 2531336, 2602785, 2735130, 3164170, 3470380, 3646840, 3731160, 3797004, 4164456, 4746255, 5205570, 5379089, 5470260, 6328340, 6940760, 7594008, 9492510, 10411140, 10758178, 10940520, 12656680, 16137267, 18985020, 20822280, 21516356, 26895445, 32274534, 37970040, 43032712, 53790890, 64549068, 80686335, 107581780, 129098136, 161372670, 215163560, 322745340, 645490680]

約数ペア:

[(1, 645490680), (2, 322745340), (3, 215163560), (4, 161372670), (5, 129098136), (6, 107581780), (8, 80686335), (10, 64549068), (12, 53790890), (15, 43032712), (17, 37970040), (20, 32274534), (24, 26895445), (30, 21516356), (31, 20822280), (34, 18985020), (40, 16137267), (51, 12656680), (59, 10940520), (60, 10758178), (62, 10411140), (68, 9492510), (85, 7594008), (93, 6940760), (102, 6328340), (118, 5470260), (120, 5379089), (124, 5205570), (136, 4746255), (155, 4164456), (170, 3797004), (173, 3731160), (177, 3646840), (186, 3470380), (204, 3164170), (236, 2735130), (248, 2602785), (255, 2531336), (295, 2188104), (310, 2082228), (340, 1898502), (346, 1865580), (354, 1823420), (372, 1735190), (408, 1582085), (465, 1388152), (472, 1367565), (510, 1265668), (519, 1243720), (527, 1224840), (590, 1094052), (620, 1041114), (680, 949251), (692, 932790), (708, 911710), (744, 867595), (865, 746232), (885, 729368), (930, 694076), (1003, 643560), (1020, 632834), (1038, 621860), (1054, 612420), (1180, 547026), (1240, 520557), (1384, 466395), (1416, 455855), (1581, 408280), (1730, 373116), (1770, 364684), (1829, 352920), (1860, 347038), (2006, 321780), (2040, 316417), (2076, 310930), (2108, 306210), (2360, 273513), (2595, 248744), (2635, 244968), (2941, 219480), (3009, 214520), (3162, 204140), (3460, 186558), (3540, 182342), (3658, 176460), (3720, 173519), (4012, 160890), (4152, 155465), (4216, 153105), (5015, 128712), (5190, 124372), (5270, 122484), (5363, 120360), (5487, 117640), (5882, 109740), (6018, 107260), (6324, 102070), (6920, 93279), (7080, 91171), (7316, 88230), (7905, 81656), (8024, 80445), (8823, 73160), (9145, 70584), (10030, 64356), (10207, 63240), (10380, 62186), (10540, 61242), (10726, 60180), (10974, 58820), (11764, 54870), (12036, 53630), (12648, 51035), (14632, 44115), (14705, 43896), (15045, 42904), (15810, 40828), (16089, 40120), (17646, 36580), (18290, 35292), (20060, 32178), (20414, 31620), (20760, 31093), (21080, 30621), (21452, 30090), (21948, 29410), (23528, 27435), (24072, 26815)]