401598720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 216

約数和(自身を含む): 1411929792

約数和(自身を除く): 1010331072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 284, 288, 320, 355, 360, 384, 426, 480, 491, 568, 576, 639, 640, 710, 720, 768, 852, 960, 982, 1065, 1136, 1152, 1278, 1280, 1420, 1440, 1473, 1704, 1920, 1964, 2130, 2272, 2304, 2455, 2556, 2840, 2880, 2946, 3195, 3408, 3840, 3928, 4260, 4419, 4544, 4910, 5112, 5680, 5760, 5892, 6390, 6816, 7365, 7856, 8520, 8838, 9088, 9820, 10224, 11360, 11520, 11784, 12780, 13632, 14730, 15712, 17040, 17676, 18176, 19640, 20448, 22095, 22720, 23568, 25560, 27264, 29460, 31424, 34080, 34861, 35352, 39280, 40896, 44190, 45440, 47136, 51120, 54528, 58920, 62848, 68160, 69722, 70704, 78560, 81792, 88380, 90880, 94272, 102240, 104583, 117840, 125696, 136320, 139444, 141408, 157120, 163584, 174305, 176760, 188544, 204480, 209166, 235680, 272640, 278888, 282816, 313749, 314240, 348610, 353520, 377088, 408960, 418332, 471360, 522915, 557776, 565632, 627498, 628480, 697220, 707040, 817920, 836664, 942720, 1045830, 1115552, 1131264, 1254996, 1394440, 1414080, 1568745, 1673328, 1885440, 2091660, 2231104, 2509992, 2788880, 2828160, 3137490, 3346656, 4183320, 4462208, 5019984, 5577760, 5656320, 6274980, 6693312, 8366640, 8924416, 10039968, 11155520, 12549960, 13386624, 16733280, 20079936, 22311040, 25099920, 26773248, 33466560, 40159872, 44622080, 50199840, 66933120, 80319744, 100399680, 133866240, 200799360, 401598720]

約数ペア:

[(1, 401598720), (2, 200799360), (3, 133866240), (4, 100399680), (5, 80319744), (6, 66933120), (8, 50199840), (9, 44622080), (10, 40159872), (12, 33466560), (15, 26773248), (16, 25099920), (18, 22311040), (20, 20079936), (24, 16733280), (30, 13386624), (32, 12549960), (36, 11155520), (40, 10039968), (45, 8924416), (48, 8366640), (60, 6693312), (64, 6274980), (71, 5656320), (72, 5577760), (80, 5019984), (90, 4462208), (96, 4183320), (120, 3346656), (128, 3137490), (142, 2828160), (144, 2788880), (160, 2509992), (180, 2231104), (192, 2091660), (213, 1885440), (240, 1673328), (256, 1568745), (284, 1414080), (288, 1394440), (320, 1254996), (355, 1131264), (360, 1115552), (384, 1045830), (426, 942720), (480, 836664), (491, 817920), (568, 707040), (576, 697220), (639, 628480), (640, 627498), (710, 565632), (720, 557776), (768, 522915), (852, 471360), (960, 418332), (982, 408960), (1065, 377088), (1136, 353520), (1152, 348610), (1278, 314240), (1280, 313749), (1420, 282816), (1440, 278888), (1473, 272640), (1704, 235680), (1920, 209166), (1964, 204480), (2130, 188544), (2272, 176760), (2304, 174305), (2455, 163584), (2556, 157120), (2840, 141408), (2880, 139444), (2946, 136320), (3195, 125696), (3408, 117840), (3840, 104583), (3928, 102240), (4260, 94272), (4419, 90880), (4544, 88380), (4910, 81792), (5112, 78560), (5680, 70704), (5760, 69722), (5892, 68160), (6390, 62848), (6816, 58920), (7365, 54528), (7856, 51120), (8520, 47136), (8838, 45440), (9088, 44190), (9820, 40896), (10224, 39280), (11360, 35352), (11520, 34861), (11784, 34080), (12780, 31424), (13632, 29460), (14730, 27264), (15712, 25560), (17040, 23568), (17676, 22720), (18176, 22095), (19640, 20448)]