71220870

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 226437120

約数和(自身を除く): 155216250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 53, 54, 63, 70, 79, 81, 90, 105, 106, 126, 135, 158, 159, 162, 189, 210, 237, 243, 265, 270, 315, 318, 371, 378, 395, 405, 474, 477, 486, 530, 553, 567, 630, 711, 742, 790, 795, 810, 945, 954, 1106, 1113, 1134, 1185, 1215, 1422, 1431, 1590, 1659, 1701, 1855, 1890, 2133, 2226, 2370, 2385, 2430, 2765, 2835, 2862, 3318, 3339, 3402, 3555, 3710, 4187, 4266, 4293, 4770, 4977, 5530, 5565, 5670, 6399, 6678, 7110, 7155, 8295, 8374, 8505, 8586, 9954, 10017, 10665, 11130, 12561, 12798, 12879, 14310, 14931, 16590, 16695, 17010, 19197, 20034, 20935, 21330, 21465, 24885, 25122, 25758, 29309, 29862, 30051, 31995, 33390, 37683, 38394, 41870, 42930, 44793, 49770, 50085, 58618, 60102, 62805, 63990, 64395, 74655, 75366, 87927, 89586, 90153, 95985, 100170, 113049, 125610, 128790, 134379, 146545, 149310, 150255, 175854, 180306, 188415, 191970, 223965, 226098, 263781, 268758, 293090, 300510, 339147, 376830, 439635, 447930, 450765, 527562, 565245, 671895, 678294, 791343, 879270, 901530, 1017441, 1130490, 1318905, 1343790, 1582686, 1695735, 2034882, 2374029, 2637810, 3391470, 3956715, 4748058, 5087205, 7122087, 7913430, 10174410, 11870145, 14244174, 23740290, 35610435, 71220870]

約数ペア:

[(1, 71220870), (2, 35610435), (3, 23740290), (5, 14244174), (6, 11870145), (7, 10174410), (9, 7913430), (10, 7122087), (14, 5087205), (15, 4748058), (18, 3956715), (21, 3391470), (27, 2637810), (30, 2374029), (35, 2034882), (42, 1695735), (45, 1582686), (53, 1343790), (54, 1318905), (63, 1130490), (70, 1017441), (79, 901530), (81, 879270), (90, 791343), (105, 678294), (106, 671895), (126, 565245), (135, 527562), (158, 450765), (159, 447930), (162, 439635), (189, 376830), (210, 339147), (237, 300510), (243, 293090), (265, 268758), (270, 263781), (315, 226098), (318, 223965), (371, 191970), (378, 188415), (395, 180306), (405, 175854), (474, 150255), (477, 149310), (486, 146545), (530, 134379), (553, 128790), (567, 125610), (630, 113049), (711, 100170), (742, 95985), (790, 90153), (795, 89586), (810, 87927), (945, 75366), (954, 74655), (1106, 64395), (1113, 63990), (1134, 62805), (1185, 60102), (1215, 58618), (1422, 50085), (1431, 49770), (1590, 44793), (1659, 42930), (1701, 41870), (1855, 38394), (1890, 37683), (2133, 33390), (2226, 31995), (2370, 30051), (2385, 29862), (2430, 29309), (2765, 25758), (2835, 25122), (2862, 24885), (3318, 21465), (3339, 21330), (3402, 20935), (3555, 20034), (3710, 19197), (4187, 17010), (4266, 16695), (4293, 16590), (4770, 14931), (4977, 14310), (5530, 12879), (5565, 12798), (5670, 12561), (6399, 11130), (6678, 10665), (7110, 10017), (7155, 9954), (8295, 8586), (8374, 8505)]