861656460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5683}}^1$

素因数の和:5740

約数の個数: 144

約数和(自身を含む): 2910571776

約数和(自身を除く): 2048915316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 665, 722, 798, 1083, 1140, 1330, 1444, 1596, 1805, 1995, 2166, 2527, 2660, 3610, 3990, 4332, 5054, 5415, 5683, 7220, 7581, 7980, 10108, 10830, 11366, 12635, 15162, 17049, 21660, 22732, 25270, 28415, 30324, 34098, 37905, 39781, 50540, 56830, 68196, 75810, 79562, 85245, 107977, 113660, 119343, 151620, 159124, 170490, 198905, 215954, 238686, 323931, 340980, 397810, 431908, 477372, 539885, 596715, 647862, 755839, 795620, 1079770, 1193430, 1295724, 1511678, 1619655, 2051563, 2159540, 2267517, 2386860, 3023356, 3239310, 3779195, 4103126, 4535034, 6154689, 6478620, 7558390, 8206252, 9070068, 10257815, 11337585, 12309378, 14360941, 15116780, 20515630, 22675170, 24618756, 28721882, 30773445, 41031260, 43082823, 45350340, 57443764, 61546890, 71804705, 86165646, 123093780, 143609410, 172331292, 215414115, 287218820, 430828230, 861656460]

約数ペア:

[(1, 861656460), (2, 430828230), (3, 287218820), (4, 215414115), (5, 172331292), (6, 143609410), (7, 123093780), (10, 86165646), (12, 71804705), (14, 61546890), (15, 57443764), (19, 45350340), (20, 43082823), (21, 41031260), (28, 30773445), (30, 28721882), (35, 24618756), (38, 22675170), (42, 20515630), (57, 15116780), (60, 14360941), (70, 12309378), (76, 11337585), (84, 10257815), (95, 9070068), (105, 8206252), (114, 7558390), (133, 6478620), (140, 6154689), (190, 4535034), (210, 4103126), (228, 3779195), (266, 3239310), (285, 3023356), (361, 2386860), (380, 2267517), (399, 2159540), (420, 2051563), (532, 1619655), (570, 1511678), (665, 1295724), (722, 1193430), (798, 1079770), (1083, 795620), (1140, 755839), (1330, 647862), (1444, 596715), (1596, 539885), (1805, 477372), (1995, 431908), (2166, 397810), (2527, 340980), (2660, 323931), (3610, 238686), (3990, 215954), (4332, 198905), (5054, 170490), (5415, 159124), (5683, 151620), (7220, 119343), (7581, 113660), (7980, 107977), (10108, 85245), (10830, 79562), (11366, 75810), (12635, 68196), (15162, 56830), (17049, 50540), (21660, 39781), (22732, 37905), (25270, 34098), (28415, 30324)]