72854860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 178319232

約数和(自身を除く): 105464372

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 85, 106, 130, 170, 212, 221, 260, 265, 311, 340, 442, 530, 622, 689, 884, 901, 1060, 1105, 1244, 1378, 1555, 1802, 2210, 2756, 3110, 3445, 3604, 4043, 4420, 4505, 5287, 6220, 6890, 8086, 9010, 10574, 11713, 13780, 16172, 16483, 18020, 20215, 21148, 23426, 26435, 32966, 40430, 46852, 52870, 58565, 65932, 68731, 80860, 82415, 105740, 117130, 137462, 164830, 214279, 234260, 274924, 280211, 329660, 343655, 428558, 560422, 687310, 857116, 1071395, 1120844, 1374620, 1401055, 2142790, 2802110, 3642743, 4285580, 5604220, 7285486, 14570972, 18213715, 36427430, 72854860]

約数ペア:

[(1, 72854860), (2, 36427430), (4, 18213715), (5, 14570972), (10, 7285486), (13, 5604220), (17, 4285580), (20, 3642743), (26, 2802110), (34, 2142790), (52, 1401055), (53, 1374620), (65, 1120844), (68, 1071395), (85, 857116), (106, 687310), (130, 560422), (170, 428558), (212, 343655), (221, 329660), (260, 280211), (265, 274924), (311, 234260), (340, 214279), (442, 164830), (530, 137462), (622, 117130), (689, 105740), (884, 82415), (901, 80860), (1060, 68731), (1105, 65932), (1244, 58565), (1378, 52870), (1555, 46852), (1802, 40430), (2210, 32966), (2756, 26435), (3110, 23426), (3445, 21148), (3604, 20215), (4043, 18020), (4420, 16483), (4505, 16172), (5287, 13780), (6220, 11713), (6890, 10574), (8086, 9010)]