251971920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 904138560

約数和(自身を除く): 652166640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 113, 114, 120, 144, 152, 163, 171, 180, 190, 226, 228, 240, 285, 304, 326, 339, 342, 360, 380, 452, 456, 489, 565, 570, 652, 678, 684, 720, 760, 815, 855, 904, 912, 978, 1017, 1130, 1140, 1304, 1356, 1368, 1467, 1520, 1630, 1695, 1710, 1808, 1956, 2034, 2147, 2260, 2280, 2445, 2608, 2712, 2736, 2934, 3097, 3260, 3390, 3420, 3912, 4068, 4294, 4520, 4560, 4890, 5085, 5424, 5868, 6194, 6441, 6520, 6780, 6840, 7335, 7824, 8136, 8588, 9040, 9291, 9780, 10170, 10735, 11736, 12388, 12882, 13040, 13560, 13680, 14670, 15485, 16272, 17176, 18419, 18582, 19323, 19560, 20340, 21470, 23472, 24776, 25764, 27120, 27873, 29340, 30970, 32205, 34352, 36838, 37164, 38646, 39120, 40680, 42940, 46455, 49552, 51528, 55257, 55746, 58680, 61940, 64410, 73676, 74328, 77292, 81360, 85880, 92095, 92910, 96615, 103056, 110514, 111492, 117360, 123880, 128820, 139365, 147352, 148656, 154584, 165771, 171760, 184190, 185820, 193230, 221028, 222984, 247760, 257640, 276285, 278730, 294704, 309168, 331542, 349961, 368380, 371640, 386460, 442056, 445968, 515280, 552570, 557460, 663084, 699922, 736760, 743280, 772920, 828855, 884112, 1049883, 1105140, 1114920, 1326168, 1399844, 1473520, 1545840, 1657710, 1749805, 2099766, 2210280, 2229840, 2652336, 2799688, 3149649, 3315420, 3499610, 4199532, 4420560, 5249415, 5599376, 6299298, 6630840, 6999220, 8399064, 10498830, 12598596, 13261680, 13998440, 15748245, 16798128, 20997660, 25197192, 27996880, 31496490, 41995320, 50394384, 62992980, 83990640, 125985960, 251971920]

約数ペア:

[(1, 251971920), (2, 125985960), (3, 83990640), (4, 62992980), (5, 50394384), (6, 41995320), (8, 31496490), (9, 27996880), (10, 25197192), (12, 20997660), (15, 16798128), (16, 15748245), (18, 13998440), (19, 13261680), (20, 12598596), (24, 10498830), (30, 8399064), (36, 6999220), (38, 6630840), (40, 6299298), (45, 5599376), (48, 5249415), (57, 4420560), (60, 4199532), (72, 3499610), (76, 3315420), (80, 3149649), (90, 2799688), (95, 2652336), (113, 2229840), (114, 2210280), (120, 2099766), (144, 1749805), (152, 1657710), (163, 1545840), (171, 1473520), (180, 1399844), (190, 1326168), (226, 1114920), (228, 1105140), (240, 1049883), (285, 884112), (304, 828855), (326, 772920), (339, 743280), (342, 736760), (360, 699922), (380, 663084), (452, 557460), (456, 552570), (489, 515280), (565, 445968), (570, 442056), (652, 386460), (678, 371640), (684, 368380), (720, 349961), (760, 331542), (815, 309168), (855, 294704), (904, 278730), (912, 276285), (978, 257640), (1017, 247760), (1130, 222984), (1140, 221028), (1304, 193230), (1356, 185820), (1368, 184190), (1467, 171760), (1520, 165771), (1630, 154584), (1695, 148656), (1710, 147352), (1808, 139365), (1956, 128820), (2034, 123880), (2147, 117360), (2260, 111492), (2280, 110514), (2445, 103056), (2608, 96615), (2712, 92910), (2736, 92095), (2934, 85880), (3097, 81360), (3260, 77292), (3390, 74328), (3420, 73676), (3912, 64410), (4068, 61940), (4294, 58680), (4520, 55746), (4560, 55257), (4890, 51528), (5085, 49552), (5424, 46455), (5868, 42940), (6194, 40680), (6441, 39120), (6520, 38646), (6780, 37164), (6840, 36838), (7335, 34352), (7824, 32205), (8136, 30970), (8588, 29340), (9040, 27873), (9291, 27120), (9780, 25764), (10170, 24776), (10735, 23472), (11736, 21470), (12388, 20340), (12882, 19560), (13040, 19323), (13560, 18582), (13680, 18419), (14670, 17176), (15485, 16272)]