145709720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 382112640

約数和(自身を除く): 236402920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 53, 65, 68, 85, 104, 106, 130, 136, 170, 212, 221, 260, 265, 311, 340, 424, 442, 520, 530, 622, 680, 689, 884, 901, 1060, 1105, 1244, 1378, 1555, 1768, 1802, 2120, 2210, 2488, 2756, 3110, 3445, 3604, 4043, 4420, 4505, 5287, 5512, 6220, 6890, 7208, 8086, 8840, 9010, 10574, 11713, 12440, 13780, 16172, 16483, 18020, 20215, 21148, 23426, 26435, 27560, 32344, 32966, 36040, 40430, 42296, 46852, 52870, 58565, 65932, 68731, 80860, 82415, 93704, 105740, 117130, 131864, 137462, 161720, 164830, 211480, 214279, 234260, 274924, 280211, 329660, 343655, 428558, 468520, 549848, 560422, 659320, 687310, 857116, 1071395, 1120844, 1374620, 1401055, 1714232, 2142790, 2241688, 2749240, 2802110, 3642743, 4285580, 5604220, 7285486, 8571160, 11208440, 14570972, 18213715, 29141944, 36427430, 72854860, 145709720]

約数ペア:

[(1, 145709720), (2, 72854860), (4, 36427430), (5, 29141944), (8, 18213715), (10, 14570972), (13, 11208440), (17, 8571160), (20, 7285486), (26, 5604220), (34, 4285580), (40, 3642743), (52, 2802110), (53, 2749240), (65, 2241688), (68, 2142790), (85, 1714232), (104, 1401055), (106, 1374620), (130, 1120844), (136, 1071395), (170, 857116), (212, 687310), (221, 659320), (260, 560422), (265, 549848), (311, 468520), (340, 428558), (424, 343655), (442, 329660), (520, 280211), (530, 274924), (622, 234260), (680, 214279), (689, 211480), (884, 164830), (901, 161720), (1060, 137462), (1105, 131864), (1244, 117130), (1378, 105740), (1555, 93704), (1768, 82415), (1802, 80860), (2120, 68731), (2210, 65932), (2488, 58565), (2756, 52870), (3110, 46852), (3445, 42296), (3604, 40430), (4043, 36040), (4420, 32966), (4505, 32344), (5287, 27560), (5512, 26435), (6220, 23426), (6890, 21148), (7208, 20215), (8086, 18020), (8840, 16483), (9010, 16172), (10574, 13780), (11713, 12440)]