247738680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2657}}^1$

素因数の和:2718

約数の個数: 192

約数和(自身を含む): 945397440

約数和(自身を除く): 697658760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2220, 2331, 2520, 2590, 2657, 2664, 3108, 3330, 3885, 4440, 4662, 5180, 5314, 6216, 6660, 7770, 7971, 9324, 10360, 10628, 11655, 13285, 13320, 15540, 15942, 18599, 18648, 21256, 23310, 23913, 26570, 31080, 31884, 37198, 39855, 46620, 47826, 53140, 55797, 63768, 74396, 79710, 92995, 93240, 95652, 98309, 106280, 111594, 119565, 148792, 159420, 167391, 185990, 191304, 196618, 223188, 239130, 278985, 294927, 318840, 334782, 371980, 393236, 446376, 478260, 491545, 557970, 589854, 669564, 688163, 743960, 786472, 836955, 884781, 956520, 983090, 1115940, 1179708, 1339128, 1376326, 1474635, 1673910, 1769562, 1966180, 2064489, 2231880, 2359416, 2752652, 2949270, 3347820, 3440815, 3539124, 3932360, 4128978, 4423905, 5505304, 5898540, 6193467, 6695640, 6881630, 7078248, 8257956, 8847810, 10322445, 11797080, 12386934, 13763260, 16515912, 17695620, 20644890, 24773868, 27526520, 30967335, 35391240, 41289780, 49547736, 61934670, 82579560, 123869340, 247738680]

約数ペア:

[(1, 247738680), (2, 123869340), (3, 82579560), (4, 61934670), (5, 49547736), (6, 41289780), (7, 35391240), (8, 30967335), (9, 27526520), (10, 24773868), (12, 20644890), (14, 17695620), (15, 16515912), (18, 13763260), (20, 12386934), (21, 11797080), (24, 10322445), (28, 8847810), (30, 8257956), (35, 7078248), (36, 6881630), (37, 6695640), (40, 6193467), (42, 5898540), (45, 5505304), (56, 4423905), (60, 4128978), (63, 3932360), (70, 3539124), (72, 3440815), (74, 3347820), (84, 2949270), (90, 2752652), (105, 2359416), (111, 2231880), (120, 2064489), (126, 1966180), (140, 1769562), (148, 1673910), (168, 1474635), (180, 1376326), (185, 1339128), (210, 1179708), (222, 1115940), (252, 983090), (259, 956520), (280, 884781), (296, 836955), (315, 786472), (333, 743960), (360, 688163), (370, 669564), (420, 589854), (444, 557970), (504, 491545), (518, 478260), (555, 446376), (630, 393236), (666, 371980), (740, 334782), (777, 318840), (840, 294927), (888, 278985), (1036, 239130), (1110, 223188), (1260, 196618), (1295, 191304), (1332, 185990), (1480, 167391), (1554, 159420), (1665, 148792), (2072, 119565), (2220, 111594), (2331, 106280), (2520, 98309), (2590, 95652), (2657, 93240), (2664, 92995), (3108, 79710), (3330, 74396), (3885, 63768), (4440, 55797), (4662, 53140), (5180, 47826), (5314, 46620), (6216, 39855), (6660, 37198), (7770, 31884), (7971, 31080), (9324, 26570), (10360, 23913), (10628, 23310), (11655, 21256), (13285, 18648), (13320, 18599), (15540, 15942)]