72781560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4931}}^1$

素因数の和:4989

約数の個数: 96

約数和(自身を含む): 242358480

約数和(自身を除く): 169576920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 4931, 7380, 9862, 14760, 14793, 19724, 24655, 29586, 39448, 44379, 49310, 59172, 73965, 88758, 98620, 118344, 147930, 177516, 197240, 202171, 221895, 295860, 355032, 404342, 443790, 591720, 606513, 808684, 887580, 1010855, 1213026, 1617368, 1775160, 1819539, 2021710, 2426052, 3032565, 3639078, 4043420, 4852104, 6065130, 7278156, 8086840, 9097695, 12130260, 14556312, 18195390, 24260520, 36390780, 72781560]

約数ペア:

[(1, 72781560), (2, 36390780), (3, 24260520), (4, 18195390), (5, 14556312), (6, 12130260), (8, 9097695), (9, 8086840), (10, 7278156), (12, 6065130), (15, 4852104), (18, 4043420), (20, 3639078), (24, 3032565), (30, 2426052), (36, 2021710), (40, 1819539), (41, 1775160), (45, 1617368), (60, 1213026), (72, 1010855), (82, 887580), (90, 808684), (120, 606513), (123, 591720), (164, 443790), (180, 404342), (205, 355032), (246, 295860), (328, 221895), (360, 202171), (369, 197240), (410, 177516), (492, 147930), (615, 118344), (738, 98620), (820, 88758), (984, 73965), (1230, 59172), (1476, 49310), (1640, 44379), (1845, 39448), (2460, 29586), (2952, 24655), (3690, 19724), (4920, 14793), (4931, 14760), (7380, 9862)]