20181444960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{689257}}^1$

素因数の和:689336

約数の個数: 96

約数和(自身を含む): 64613801952

約数和(自身を除く): 44432356992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2928, 3660, 4880, 5856, 7320, 9760, 14640, 29280, 689257, 1378514, 2067771, 2757028, 3446285, 4135542, 5514056, 6892570, 8271084, 10338855, 11028112, 13785140, 16542168, 20677710, 22056224, 27570280, 33084336, 41355420, 42044677, 55140560, 66168672, 82710840, 84089354, 110281120, 126134031, 165421680, 168178708, 210223385, 252268062, 330843360, 336357416, 420446770, 504536124, 630670155, 672714832, 840893540, 1009072248, 1261340310, 1345429664, 1681787080, 2018144496, 2522680620, 3363574160, 4036288992, 5045361240, 6727148320, 10090722480, 20181444960]

約数ペア:

[(1, 20181444960), (2, 10090722480), (3, 6727148320), (4, 5045361240), (5, 4036288992), (6, 3363574160), (8, 2522680620), (10, 2018144496), (12, 1681787080), (15, 1345429664), (16, 1261340310), (20, 1009072248), (24, 840893540), (30, 672714832), (32, 630670155), (40, 504536124), (48, 420446770), (60, 336357416), (61, 330843360), (80, 252268062), (96, 210223385), (120, 168178708), (122, 165421680), (160, 126134031), (183, 110281120), (240, 84089354), (244, 82710840), (305, 66168672), (366, 55140560), (480, 42044677), (488, 41355420), (610, 33084336), (732, 27570280), (915, 22056224), (976, 20677710), (1220, 16542168), (1464, 13785140), (1830, 11028112), (1952, 10338855), (2440, 8271084), (2928, 6892570), (3660, 5514056), (4880, 4135542), (5856, 3446285), (7320, 2757028), (9760, 2067771), (14640, 1378514), (29280, 689257)]