639779400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1493

約数の個数: 288

約数和(自身を含む): 2437344000

約数和(自身を除く): 1797564600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 25, 26, 30, 36, 38, 39, 40, 45, 50, 52, 57, 60, 65, 72, 75, 76, 78, 90, 95, 100, 104, 114, 117, 120, 130, 150, 152, 156, 171, 180, 190, 195, 200, 225, 228, 234, 247, 260, 285, 300, 312, 325, 342, 360, 380, 390, 450, 456, 468, 475, 494, 520, 570, 585, 600, 650, 684, 741, 760, 780, 855, 900, 936, 950, 975, 988, 1140, 1170, 1235, 1300, 1368, 1425, 1439, 1482, 1560, 1710, 1800, 1900, 1950, 1976, 2223, 2280, 2340, 2470, 2600, 2850, 2878, 2925, 2964, 3420, 3705, 3800, 3900, 4275, 4317, 4446, 4680, 4940, 5700, 5756, 5850, 5928, 6175, 6840, 7195, 7410, 7800, 8550, 8634, 8892, 9880, 11115, 11400, 11512, 11700, 12350, 12951, 14390, 14820, 17100, 17268, 17784, 18525, 18707, 21585, 22230, 23400, 24700, 25902, 27341, 28780, 29640, 34200, 34536, 35975, 37050, 37414, 43170, 44460, 49400, 51804, 54682, 55575, 56121, 57560, 64755, 71950, 74100, 74828, 82023, 86340, 88920, 93535, 103608, 107925, 109364, 111150, 112242, 129510, 136705, 143900, 148200, 149656, 164046, 168363, 172680, 187070, 215850, 218728, 222300, 224484, 246069, 259020, 273410, 280605, 287800, 323775, 328092, 336726, 355433, 374140, 410115, 431700, 444600, 448968, 467675, 492138, 518040, 546820, 561210, 647550, 656184, 673452, 683525, 710866, 748280, 820230, 841815, 863400, 935350, 984276, 1066299, 1093640, 1122420, 1230345, 1295100, 1346904, 1367050, 1403025, 1421732, 1640460, 1683630, 1777165, 1870700, 1968552, 2050575, 2132598, 2244840, 2460690, 2590200, 2734100, 2806050, 2843464, 3198897, 3280920, 3367260, 3554330, 3741400, 4101150, 4209075, 4265196, 4921380, 5331495, 5468200, 5612100, 6151725, 6397794, 6734520, 7108660, 8202300, 8418150, 8530392, 8885825, 9842760, 10662990, 11224200, 12303450, 12795588, 14217320, 15994485, 16404600, 16836300, 17771650, 21325980, 24606900, 25591176, 26657475, 31988970, 33672600, 35543300, 42651960, 49213800, 53314950, 63977940, 71086600, 79972425, 106629900, 127955880, 159944850, 213259800, 319889700, 639779400]

約数ペア:

[(1, 639779400), (2, 319889700), (3, 213259800), (4, 159944850), (5, 127955880), (6, 106629900), (8, 79972425), (9, 71086600), (10, 63977940), (12, 53314950), (13, 49213800), (15, 42651960), (18, 35543300), (19, 33672600), (20, 31988970), (24, 26657475), (25, 25591176), (26, 24606900), (30, 21325980), (36, 17771650), (38, 16836300), (39, 16404600), (40, 15994485), (45, 14217320), (50, 12795588), (52, 12303450), (57, 11224200), (60, 10662990), (65, 9842760), (72, 8885825), (75, 8530392), (76, 8418150), (78, 8202300), (90, 7108660), (95, 6734520), (100, 6397794), (104, 6151725), (114, 5612100), (117, 5468200), (120, 5331495), (130, 4921380), (150, 4265196), (152, 4209075), (156, 4101150), (171, 3741400), (180, 3554330), (190, 3367260), (195, 3280920), (200, 3198897), (225, 2843464), (228, 2806050), (234, 2734100), (247, 2590200), (260, 2460690), (285, 2244840), (300, 2132598), (312, 2050575), (325, 1968552), (342, 1870700), (360, 1777165), (380, 1683630), (390, 1640460), (450, 1421732), (456, 1403025), (468, 1367050), (475, 1346904), (494, 1295100), (520, 1230345), (570, 1122420), (585, 1093640), (600, 1066299), (650, 984276), (684, 935350), (741, 863400), (760, 841815), (780, 820230), (855, 748280), (900, 710866), (936, 683525), (950, 673452), (975, 656184), (988, 647550), (1140, 561210), (1170, 546820), (1235, 518040), (1300, 492138), (1368, 467675), (1425, 448968), (1439, 444600), (1482, 431700), (1560, 410115), (1710, 374140), (1800, 355433), (1900, 336726), (1950, 328092), (1976, 323775), (2223, 287800), (2280, 280605), (2340, 273410), (2470, 259020), (2600, 246069), (2850, 224484), (2878, 222300), (2925, 218728), (2964, 215850), (3420, 187070), (3705, 172680), (3800, 168363), (3900, 164046), (4275, 149656), (4317, 148200), (4446, 143900), (4680, 136705), (4940, 129510), (5700, 112242), (5756, 111150), (5850, 109364), (5928, 107925), (6175, 103608), (6840, 93535), (7195, 88920), (7410, 86340), (7800, 82023), (8550, 74828), (8634, 74100), (8892, 71950), (9880, 64755), (11115, 57560), (11400, 56121), (11512, 55575), (11700, 54682), (12350, 51804), (12951, 49400), (14390, 44460), (14820, 43170), (17100, 37414), (17268, 37050), (17784, 35975), (18525, 34536), (18707, 34200), (21585, 29640), (22230, 28780), (23400, 27341), (24700, 25902)]