64977720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28499}}^1$

素因数の和:28532

約数の個数: 64

約数和(自身を含む): 205200000

約数和(自身を除く): 140222280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 28499, 56998, 85497, 113996, 142495, 170994, 227992, 284990, 341988, 427485, 541481, 569980, 683976, 854970, 1082962, 1139960, 1624443, 1709940, 2165924, 2707405, 3248886, 3419880, 4331848, 5414810, 6497772, 8122215, 10829620, 12995544, 16244430, 21659240, 32488860, 64977720]

約数ペア:

[(1, 64977720), (2, 32488860), (3, 21659240), (4, 16244430), (5, 12995544), (6, 10829620), (8, 8122215), (10, 6497772), (12, 5414810), (15, 4331848), (19, 3419880), (20, 3248886), (24, 2707405), (30, 2165924), (38, 1709940), (40, 1624443), (57, 1139960), (60, 1082962), (76, 854970), (95, 683976), (114, 569980), (120, 541481), (152, 427485), (190, 341988), (228, 284990), (285, 227992), (380, 170994), (456, 142495), (570, 113996), (760, 85497), (1140, 56998), (2280, 28499)]