15828540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 55093248

約数和(自身を除く): 39264708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 223, 260, 273, 338, 364, 390, 420, 446, 455, 507, 546, 669, 676, 780, 845, 892, 910, 1014, 1092, 1115, 1183, 1338, 1365, 1561, 1690, 1820, 2028, 2230, 2366, 2535, 2676, 2730, 2899, 3122, 3345, 3380, 3549, 4460, 4683, 4732, 5070, 5460, 5798, 5915, 6244, 6690, 7098, 7805, 8697, 9366, 10140, 11596, 11830, 13380, 14196, 14495, 15610, 17394, 17745, 18732, 20293, 23415, 23660, 28990, 31220, 34788, 35490, 37687, 40586, 43485, 46830, 57980, 60879, 70980, 75374, 81172, 86970, 93660, 101465, 113061, 121758, 150748, 173940, 188435, 202930, 226122, 243516, 263809, 304395, 376870, 405860, 452244, 527618, 565305, 608790, 753740, 791427, 1055236, 1130610, 1217580, 1319045, 1582854, 2261220, 2638090, 3165708, 3957135, 5276180, 7914270, 15828540]

約数ペア:

[(1, 15828540), (2, 7914270), (3, 5276180), (4, 3957135), (5, 3165708), (6, 2638090), (7, 2261220), (10, 1582854), (12, 1319045), (13, 1217580), (14, 1130610), (15, 1055236), (20, 791427), (21, 753740), (26, 608790), (28, 565305), (30, 527618), (35, 452244), (39, 405860), (42, 376870), (52, 304395), (60, 263809), (65, 243516), (70, 226122), (78, 202930), (84, 188435), (91, 173940), (105, 150748), (130, 121758), (140, 113061), (156, 101465), (169, 93660), (182, 86970), (195, 81172), (210, 75374), (223, 70980), (260, 60879), (273, 57980), (338, 46830), (364, 43485), (390, 40586), (420, 37687), (446, 35490), (455, 34788), (507, 31220), (546, 28990), (669, 23660), (676, 23415), (780, 20293), (845, 18732), (892, 17745), (910, 17394), (1014, 15610), (1092, 14495), (1115, 14196), (1183, 13380), (1338, 11830), (1365, 11596), (1561, 10140), (1690, 9366), (1820, 8697), (2028, 7805), (2230, 7098), (2366, 6690), (2535, 6244), (2676, 5915), (2730, 5798), (2899, 5460), (3122, 5070), (3345, 4732), (3380, 4683), (3549, 4460)]