128447760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{757}}^1$

素因数の和:881

約数の個数: 160

約数和(自身を含む): 460184832

約数和(自身を除く): 331737072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 112, 120, 140, 168, 202, 210, 240, 280, 303, 336, 404, 420, 505, 560, 606, 707, 757, 808, 840, 1010, 1212, 1414, 1514, 1515, 1616, 1680, 2020, 2121, 2271, 2424, 2828, 3028, 3030, 3535, 3785, 4040, 4242, 4542, 4848, 5299, 5656, 6056, 6060, 7070, 7570, 8080, 8484, 9084, 10598, 10605, 11312, 11355, 12112, 12120, 14140, 15140, 15897, 16968, 18168, 21196, 21210, 22710, 24240, 26495, 28280, 30280, 31794, 33936, 36336, 42392, 42420, 45420, 52990, 56560, 60560, 63588, 76457, 79485, 84784, 84840, 90840, 105980, 127176, 152914, 158970, 169680, 181680, 211960, 229371, 254352, 305828, 317940, 382285, 423920, 458742, 535199, 611656, 635880, 764570, 917484, 1070398, 1146855, 1223312, 1271760, 1529140, 1605597, 1834968, 2140796, 2293710, 2675995, 3058280, 3211194, 3669936, 4281592, 4587420, 5351990, 6116560, 6422388, 8027985, 8563184, 9174840, 10703980, 12844776, 16055970, 18349680, 21407960, 25689552, 32111940, 42815920, 64223880, 128447760]

約数ペア:

[(1, 128447760), (2, 64223880), (3, 42815920), (4, 32111940), (5, 25689552), (6, 21407960), (7, 18349680), (8, 16055970), (10, 12844776), (12, 10703980), (14, 9174840), (15, 8563184), (16, 8027985), (20, 6422388), (21, 6116560), (24, 5351990), (28, 4587420), (30, 4281592), (35, 3669936), (40, 3211194), (42, 3058280), (48, 2675995), (56, 2293710), (60, 2140796), (70, 1834968), (80, 1605597), (84, 1529140), (101, 1271760), (105, 1223312), (112, 1146855), (120, 1070398), (140, 917484), (168, 764570), (202, 635880), (210, 611656), (240, 535199), (280, 458742), (303, 423920), (336, 382285), (404, 317940), (420, 305828), (505, 254352), (560, 229371), (606, 211960), (707, 181680), (757, 169680), (808, 158970), (840, 152914), (1010, 127176), (1212, 105980), (1414, 90840), (1514, 84840), (1515, 84784), (1616, 79485), (1680, 76457), (2020, 63588), (2121, 60560), (2271, 56560), (2424, 52990), (2828, 45420), (3028, 42420), (3030, 42392), (3535, 36336), (3785, 33936), (4040, 31794), (4242, 30280), (4542, 28280), (4848, 26495), (5299, 24240), (5656, 22710), (6056, 21210), (6060, 21196), (7070, 18168), (7570, 16968), (8080, 15897), (8484, 15140), (9084, 14140), (10598, 12120), (10605, 12112), (11312, 11355)]