1221479520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{68777}}^1$

素因数の和:68832

約数の個数: 96

約数和(自身を含む): 3951708768

約数和(自身を除く): 2730229248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1184, 1480, 1776, 2220, 2960, 3552, 4440, 5920, 8880, 17760, 68777, 137554, 206331, 275108, 343885, 412662, 550216, 687770, 825324, 1031655, 1100432, 1375540, 1650648, 2063310, 2200864, 2544749, 2751080, 3301296, 4126620, 5089498, 5502160, 6602592, 7634247, 8253240, 10178996, 11004320, 12723745, 15268494, 16506480, 20357992, 25447490, 30536988, 33012960, 38171235, 40715984, 50894980, 61073976, 76342470, 81431968, 101789960, 122147952, 152684940, 203579920, 244295904, 305369880, 407159840, 610739760, 1221479520]

約数ペア:

[(1, 1221479520), (2, 610739760), (3, 407159840), (4, 305369880), (5, 244295904), (6, 203579920), (8, 152684940), (10, 122147952), (12, 101789960), (15, 81431968), (16, 76342470), (20, 61073976), (24, 50894980), (30, 40715984), (32, 38171235), (37, 33012960), (40, 30536988), (48, 25447490), (60, 20357992), (74, 16506480), (80, 15268494), (96, 12723745), (111, 11004320), (120, 10178996), (148, 8253240), (160, 7634247), (185, 6602592), (222, 5502160), (240, 5089498), (296, 4126620), (370, 3301296), (444, 2751080), (480, 2544749), (555, 2200864), (592, 2063310), (740, 1650648), (888, 1375540), (1110, 1100432), (1184, 1031655), (1480, 825324), (1776, 687770), (2220, 550216), (2960, 412662), (3552, 343885), (4440, 275108), (5920, 206331), (8880, 137554), (17760, 68777)]