251235180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 288

約数和(自身を含む): 950092416

約数和(自身を除く): 698857236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 37, 42, 45, 51, 60, 63, 68, 70, 74, 84, 85, 90, 102, 105, 111, 119, 126, 140, 148, 153, 170, 180, 185, 204, 210, 222, 238, 252, 255, 259, 306, 315, 317, 333, 340, 357, 370, 420, 444, 476, 510, 518, 555, 595, 612, 629, 630, 634, 666, 714, 740, 765, 777, 951, 1020, 1036, 1071, 1110, 1190, 1258, 1260, 1268, 1295, 1332, 1428, 1530, 1554, 1585, 1665, 1785, 1887, 1902, 2142, 2219, 2220, 2331, 2380, 2516, 2590, 2853, 3060, 3108, 3145, 3170, 3330, 3570, 3774, 3804, 3885, 4284, 4403, 4438, 4662, 4755, 5180, 5355, 5389, 5661, 5706, 6290, 6340, 6657, 6660, 7140, 7548, 7770, 8806, 8876, 9324, 9435, 9510, 10710, 10778, 11095, 11322, 11412, 11655, 11729, 12580, 13209, 13314, 14265, 15540, 16167, 17612, 18870, 19020, 19971, 21420, 21556, 22015, 22190, 22644, 23310, 23458, 26418, 26628, 26945, 28305, 28530, 32334, 33285, 35187, 37723, 37740, 39627, 39942, 44030, 44380, 46620, 46916, 48501, 52836, 53890, 56610, 57060, 58645, 64668, 66045, 66570, 70374, 75446, 79254, 79884, 80835, 82103, 88060, 97002, 99855, 105561, 107780, 113169, 113220, 117290, 132090, 133140, 140748, 150892, 158508, 161670, 164206, 175935, 188615, 194004, 198135, 199393, 199710, 211122, 226338, 234580, 242505, 246309, 264180, 323340, 328412, 339507, 351870, 377230, 396270, 398786, 399420, 410515, 422244, 452676, 485010, 492618, 527805, 565845, 598179, 679014, 703740, 738927, 754460, 792540, 797572, 821030, 970020, 985236, 996965, 1055610, 1131690, 1196358, 1231545, 1358028, 1395751, 1477854, 1642060, 1697535, 1794537, 1993930, 2111220, 2263380, 2392716, 2463090, 2791502, 2955708, 2990895, 3395070, 3589074, 3694635, 3987860, 4187253, 4926180, 5583004, 5981790, 6790140, 6978755, 7178148, 7389270, 8374506, 8972685, 11963580, 12561759, 13957510, 14778540, 16749012, 17945370, 20936265, 25123518, 27915020, 35890740, 41872530, 50247036, 62808795, 83745060, 125617590, 251235180]

約数ペア:

[(1, 251235180), (2, 125617590), (3, 83745060), (4, 62808795), (5, 50247036), (6, 41872530), (7, 35890740), (9, 27915020), (10, 25123518), (12, 20936265), (14, 17945370), (15, 16749012), (17, 14778540), (18, 13957510), (20, 12561759), (21, 11963580), (28, 8972685), (30, 8374506), (34, 7389270), (35, 7178148), (36, 6978755), (37, 6790140), (42, 5981790), (45, 5583004), (51, 4926180), (60, 4187253), (63, 3987860), (68, 3694635), (70, 3589074), (74, 3395070), (84, 2990895), (85, 2955708), (90, 2791502), (102, 2463090), (105, 2392716), (111, 2263380), (119, 2111220), (126, 1993930), (140, 1794537), (148, 1697535), (153, 1642060), (170, 1477854), (180, 1395751), (185, 1358028), (204, 1231545), (210, 1196358), (222, 1131690), (238, 1055610), (252, 996965), (255, 985236), (259, 970020), (306, 821030), (315, 797572), (317, 792540), (333, 754460), (340, 738927), (357, 703740), (370, 679014), (420, 598179), (444, 565845), (476, 527805), (510, 492618), (518, 485010), (555, 452676), (595, 422244), (612, 410515), (629, 399420), (630, 398786), (634, 396270), (666, 377230), (714, 351870), (740, 339507), (765, 328412), (777, 323340), (951, 264180), (1020, 246309), (1036, 242505), (1071, 234580), (1110, 226338), (1190, 211122), (1258, 199710), (1260, 199393), (1268, 198135), (1295, 194004), (1332, 188615), (1428, 175935), (1530, 164206), (1554, 161670), (1585, 158508), (1665, 150892), (1785, 140748), (1887, 133140), (1902, 132090), (2142, 117290), (2219, 113220), (2220, 113169), (2331, 107780), (2380, 105561), (2516, 99855), (2590, 97002), (2853, 88060), (3060, 82103), (3108, 80835), (3145, 79884), (3170, 79254), (3330, 75446), (3570, 70374), (3774, 66570), (3804, 66045), (3885, 64668), (4284, 58645), (4403, 57060), (4438, 56610), (4662, 53890), (4755, 52836), (5180, 48501), (5355, 46916), (5389, 46620), (5661, 44380), (5706, 44030), (6290, 39942), (6340, 39627), (6657, 37740), (6660, 37723), (7140, 35187), (7548, 33285), (7770, 32334), (8806, 28530), (8876, 28305), (9324, 26945), (9435, 26628), (9510, 26418), (10710, 23458), (10778, 23310), (11095, 22644), (11322, 22190), (11412, 22015), (11655, 21556), (11729, 21420), (12580, 19971), (13209, 19020), (13314, 18870), (14265, 17612), (15540, 16167)]