64481820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 206105760

約数和(自身を除く): 141623940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 229, 247, 260, 285, 361, 380, 390, 458, 494, 570, 687, 722, 741, 780, 916, 988, 1083, 1140, 1145, 1235, 1374, 1444, 1482, 1805, 2166, 2290, 2470, 2748, 2964, 2977, 3435, 3610, 3705, 4332, 4351, 4580, 4693, 4940, 5415, 5954, 6870, 7220, 7410, 8702, 8931, 9386, 10830, 11908, 13053, 13740, 14079, 14820, 14885, 17404, 17862, 18772, 21660, 21755, 23465, 26106, 28158, 29770, 35724, 43510, 44655, 46930, 52212, 56316, 56563, 59540, 65265, 70395, 82669, 87020, 89310, 93860, 113126, 130530, 140790, 165338, 169689, 178620, 226252, 248007, 261060, 281580, 282815, 330676, 339378, 413345, 496014, 565630, 678756, 826690, 848445, 992028, 1074697, 1131260, 1240035, 1653380, 1696890, 2149394, 2480070, 3224091, 3393780, 4298788, 4960140, 5373485, 6448182, 10746970, 12896364, 16120455, 21493940, 32240910, 64481820]

約数ペア:

[(1, 64481820), (2, 32240910), (3, 21493940), (4, 16120455), (5, 12896364), (6, 10746970), (10, 6448182), (12, 5373485), (13, 4960140), (15, 4298788), (19, 3393780), (20, 3224091), (26, 2480070), (30, 2149394), (38, 1696890), (39, 1653380), (52, 1240035), (57, 1131260), (60, 1074697), (65, 992028), (76, 848445), (78, 826690), (95, 678756), (114, 565630), (130, 496014), (156, 413345), (190, 339378), (195, 330676), (228, 282815), (229, 281580), (247, 261060), (260, 248007), (285, 226252), (361, 178620), (380, 169689), (390, 165338), (458, 140790), (494, 130530), (570, 113126), (687, 93860), (722, 89310), (741, 87020), (780, 82669), (916, 70395), (988, 65265), (1083, 59540), (1140, 56563), (1145, 56316), (1235, 52212), (1374, 46930), (1444, 44655), (1482, 43510), (1805, 35724), (2166, 29770), (2290, 28158), (2470, 26106), (2748, 23465), (2964, 21755), (2977, 21660), (3435, 18772), (3610, 17862), (3705, 17404), (4332, 14885), (4351, 14820), (4580, 14079), (4693, 13740), (4940, 13053), (5415, 11908), (5954, 10830), (6870, 9386), (7220, 8931), (7410, 8702)]