72815880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7774

約数の個数: 64

約数和(自身を含む): 221241600

約数和(自身を除く): 148425720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 7681, 9480, 15362, 23043, 30724, 38405, 46086, 61448, 76810, 92172, 115215, 153620, 184344, 230430, 307240, 460860, 606799, 921720, 1213598, 1820397, 2427196, 3033995, 3640794, 4854392, 6067990, 7281588, 9101985, 12135980, 14563176, 18203970, 24271960, 36407940, 72815880]

約数ペア:

[(1, 72815880), (2, 36407940), (3, 24271960), (4, 18203970), (5, 14563176), (6, 12135980), (8, 9101985), (10, 7281588), (12, 6067990), (15, 4854392), (20, 3640794), (24, 3033995), (30, 2427196), (40, 1820397), (60, 1213598), (79, 921720), (120, 606799), (158, 460860), (237, 307240), (316, 230430), (395, 184344), (474, 153620), (632, 115215), (790, 92172), (948, 76810), (1185, 61448), (1580, 46086), (1896, 38405), (2370, 30724), (3160, 23043), (4740, 15362), (7681, 9480)]