81462480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{523}}^1$

素因数の和:609

約数の個数: 160

約数和(自身を含む): 280696320

約数和(自身を除く): 199233840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 59, 60, 66, 80, 88, 110, 118, 120, 132, 165, 176, 177, 220, 236, 240, 264, 295, 330, 354, 440, 472, 523, 528, 590, 649, 660, 708, 880, 885, 944, 1046, 1180, 1298, 1320, 1416, 1569, 1770, 1947, 2092, 2360, 2596, 2615, 2640, 2832, 3138, 3245, 3540, 3894, 4184, 4720, 5192, 5230, 5753, 6276, 6490, 7080, 7788, 7845, 8368, 9735, 10384, 10460, 11506, 12552, 12980, 14160, 15576, 15690, 17259, 19470, 20920, 23012, 25104, 25960, 28765, 30857, 31152, 31380, 34518, 38940, 41840, 46024, 51920, 57530, 61714, 62760, 69036, 77880, 86295, 92048, 92571, 115060, 123428, 125520, 138072, 154285, 155760, 172590, 185142, 230120, 246856, 276144, 308570, 339427, 345180, 370284, 460240, 462855, 493712, 617140, 678854, 690360, 740568, 925710, 1018281, 1234280, 1357708, 1380720, 1481136, 1697135, 1851420, 2036562, 2468560, 2715416, 3394270, 3702840, 4073124, 5091405, 5430832, 6788540, 7405680, 8146248, 10182810, 13577080, 16292496, 20365620, 27154160, 40731240, 81462480]

約数ペア:

[(1, 81462480), (2, 40731240), (3, 27154160), (4, 20365620), (5, 16292496), (6, 13577080), (8, 10182810), (10, 8146248), (11, 7405680), (12, 6788540), (15, 5430832), (16, 5091405), (20, 4073124), (22, 3702840), (24, 3394270), (30, 2715416), (33, 2468560), (40, 2036562), (44, 1851420), (48, 1697135), (55, 1481136), (59, 1380720), (60, 1357708), (66, 1234280), (80, 1018281), (88, 925710), (110, 740568), (118, 690360), (120, 678854), (132, 617140), (165, 493712), (176, 462855), (177, 460240), (220, 370284), (236, 345180), (240, 339427), (264, 308570), (295, 276144), (330, 246856), (354, 230120), (440, 185142), (472, 172590), (523, 155760), (528, 154285), (590, 138072), (649, 125520), (660, 123428), (708, 115060), (880, 92571), (885, 92048), (944, 86295), (1046, 77880), (1180, 69036), (1298, 62760), (1320, 61714), (1416, 57530), (1569, 51920), (1770, 46024), (1947, 41840), (2092, 38940), (2360, 34518), (2596, 31380), (2615, 31152), (2640, 30857), (2832, 28765), (3138, 25960), (3245, 25104), (3540, 23012), (3894, 20920), (4184, 19470), (4720, 17259), (5192, 15690), (5230, 15576), (5753, 14160), (6276, 12980), (6490, 12552), (7080, 11506), (7788, 10460), (7845, 10384), (8368, 9735)]