251920620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 288

約数和(自身を含む): 974937600

約数和(自身を除く): 723016980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 42, 45, 51, 57, 60, 63, 68, 70, 76, 84, 85, 90, 95, 102, 105, 114, 119, 126, 133, 140, 153, 170, 171, 180, 190, 204, 210, 228, 238, 252, 255, 266, 285, 306, 315, 323, 340, 342, 357, 380, 399, 420, 476, 510, 532, 570, 595, 612, 619, 630, 646, 665, 684, 714, 765, 798, 855, 969, 1020, 1071, 1140, 1190, 1197, 1238, 1260, 1292, 1330, 1428, 1530, 1596, 1615, 1710, 1785, 1857, 1938, 1995, 2142, 2261, 2380, 2394, 2476, 2660, 2907, 3060, 3095, 3230, 3420, 3570, 3714, 3876, 3990, 4284, 4333, 4522, 4788, 4845, 5355, 5571, 5814, 5985, 6190, 6460, 6783, 7140, 7428, 7980, 8666, 9044, 9285, 9690, 10523, 10710, 11142, 11305, 11628, 11761, 11970, 12380, 12999, 13566, 14535, 17332, 18570, 19380, 20349, 21046, 21420, 21665, 22284, 22610, 23522, 23940, 25998, 27132, 27855, 29070, 31569, 33915, 35283, 37140, 38997, 40698, 42092, 43330, 45220, 47044, 51996, 52615, 55710, 58140, 58805, 63138, 64995, 67830, 70566, 73661, 77994, 81396, 82327, 86660, 94707, 101745, 105230, 105849, 111420, 117610, 126276, 129990, 135660, 141132, 147322, 155988, 157845, 164654, 176415, 189414, 194985, 199937, 203490, 210460, 211698, 220983, 235220, 246981, 259980, 294644, 315690, 329308, 352830, 368305, 378828, 389970, 399874, 406980, 411635, 423396, 441966, 473535, 493962, 529245, 599811, 631380, 662949, 705660, 736610, 740943, 779940, 799748, 823270, 883932, 947070, 987924, 999685, 1058490, 1104915, 1199622, 1234905, 1325898, 1399559, 1473220, 1481886, 1646540, 1799433, 1894140, 1999370, 2116980, 2209830, 2399244, 2469810, 2651796, 2799118, 2963772, 2999055, 3314745, 3598866, 3704715, 3998740, 4198677, 4419660, 4939620, 5598236, 5998110, 6629490, 6997795, 7197732, 7409430, 8397354, 8997165, 11996220, 12596031, 13258980, 13995590, 14818860, 16794708, 17994330, 20993385, 25192062, 27991180, 35988660, 41986770, 50384124, 62980155, 83973540, 125960310, 251920620]

約数ペア:

[(1, 251920620), (2, 125960310), (3, 83973540), (4, 62980155), (5, 50384124), (6, 41986770), (7, 35988660), (9, 27991180), (10, 25192062), (12, 20993385), (14, 17994330), (15, 16794708), (17, 14818860), (18, 13995590), (19, 13258980), (20, 12596031), (21, 11996220), (28, 8997165), (30, 8397354), (34, 7409430), (35, 7197732), (36, 6997795), (38, 6629490), (42, 5998110), (45, 5598236), (51, 4939620), (57, 4419660), (60, 4198677), (63, 3998740), (68, 3704715), (70, 3598866), (76, 3314745), (84, 2999055), (85, 2963772), (90, 2799118), (95, 2651796), (102, 2469810), (105, 2399244), (114, 2209830), (119, 2116980), (126, 1999370), (133, 1894140), (140, 1799433), (153, 1646540), (170, 1481886), (171, 1473220), (180, 1399559), (190, 1325898), (204, 1234905), (210, 1199622), (228, 1104915), (238, 1058490), (252, 999685), (255, 987924), (266, 947070), (285, 883932), (306, 823270), (315, 799748), (323, 779940), (340, 740943), (342, 736610), (357, 705660), (380, 662949), (399, 631380), (420, 599811), (476, 529245), (510, 493962), (532, 473535), (570, 441966), (595, 423396), (612, 411635), (619, 406980), (630, 399874), (646, 389970), (665, 378828), (684, 368305), (714, 352830), (765, 329308), (798, 315690), (855, 294644), (969, 259980), (1020, 246981), (1071, 235220), (1140, 220983), (1190, 211698), (1197, 210460), (1238, 203490), (1260, 199937), (1292, 194985), (1330, 189414), (1428, 176415), (1530, 164654), (1596, 157845), (1615, 155988), (1710, 147322), (1785, 141132), (1857, 135660), (1938, 129990), (1995, 126276), (2142, 117610), (2261, 111420), (2380, 105849), (2394, 105230), (2476, 101745), (2660, 94707), (2907, 86660), (3060, 82327), (3095, 81396), (3230, 77994), (3420, 73661), (3570, 70566), (3714, 67830), (3876, 64995), (3990, 63138), (4284, 58805), (4333, 58140), (4522, 55710), (4788, 52615), (4845, 51996), (5355, 47044), (5571, 45220), (5814, 43330), (5985, 42092), (6190, 40698), (6460, 38997), (6783, 37140), (7140, 35283), (7428, 33915), (7980, 31569), (8666, 29070), (9044, 27855), (9285, 27132), (9690, 25998), (10523, 23940), (10710, 23522), (11142, 22610), (11305, 22284), (11628, 21665), (11761, 21420), (11970, 21046), (12380, 20349), (12999, 19380), (13566, 18570), (14535, 17332)]