15540720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 55121472

約数和(自身を除く): 39580752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 293, 312, 340, 390, 408, 442, 510, 520, 586, 624, 663, 680, 780, 816, 879, 884, 1020, 1040, 1105, 1172, 1326, 1360, 1465, 1560, 1758, 1768, 2040, 2210, 2344, 2652, 2930, 3120, 3315, 3516, 3536, 3809, 4080, 4395, 4420, 4688, 4981, 5304, 5860, 6630, 7032, 7618, 8790, 8840, 9962, 10608, 11427, 11720, 13260, 14064, 14943, 15236, 17580, 17680, 19045, 19924, 22854, 23440, 24905, 26520, 29886, 30472, 35160, 38090, 39848, 45708, 49810, 53040, 57135, 59772, 60944, 64753, 70320, 74715, 76180, 79696, 91416, 99620, 114270, 119544, 129506, 149430, 152360, 182832, 194259, 199240, 228540, 239088, 259012, 298860, 304720, 323765, 388518, 398480, 457080, 518024, 597720, 647530, 777036, 914160, 971295, 1036048, 1195440, 1295060, 1554072, 1942590, 2590120, 3108144, 3885180, 5180240, 7770360, 15540720]

約数ペア:

[(1, 15540720), (2, 7770360), (3, 5180240), (4, 3885180), (5, 3108144), (6, 2590120), (8, 1942590), (10, 1554072), (12, 1295060), (13, 1195440), (15, 1036048), (16, 971295), (17, 914160), (20, 777036), (24, 647530), (26, 597720), (30, 518024), (34, 457080), (39, 398480), (40, 388518), (48, 323765), (51, 304720), (52, 298860), (60, 259012), (65, 239088), (68, 228540), (78, 199240), (80, 194259), (85, 182832), (102, 152360), (104, 149430), (120, 129506), (130, 119544), (136, 114270), (156, 99620), (170, 91416), (195, 79696), (204, 76180), (208, 74715), (221, 70320), (240, 64753), (255, 60944), (260, 59772), (272, 57135), (293, 53040), (312, 49810), (340, 45708), (390, 39848), (408, 38090), (442, 35160), (510, 30472), (520, 29886), (586, 26520), (624, 24905), (663, 23440), (680, 22854), (780, 19924), (816, 19045), (879, 17680), (884, 17580), (1020, 15236), (1040, 14943), (1105, 14064), (1172, 13260), (1326, 11720), (1360, 11427), (1465, 10608), (1560, 9962), (1758, 8840), (1768, 8790), (2040, 7618), (2210, 7032), (2344, 6630), (2652, 5860), (2930, 5304), (3120, 4981), (3315, 4688), (3516, 4420), (3536, 4395), (3809, 4080)]