887670280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 256

約数和(自身を含む): 2540160000

約数和(自身を除く): 1652489720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 49, 56, 58, 70, 92, 97, 98, 115, 116, 140, 145, 161, 184, 194, 196, 203, 230, 232, 245, 280, 290, 322, 343, 388, 392, 406, 460, 485, 490, 580, 644, 667, 679, 686, 776, 805, 812, 920, 970, 980, 1015, 1127, 1160, 1288, 1334, 1358, 1372, 1421, 1610, 1624, 1715, 1940, 1960, 2030, 2231, 2254, 2668, 2716, 2744, 2813, 2842, 3220, 3335, 3395, 3430, 3880, 4060, 4462, 4508, 4669, 4753, 5336, 5432, 5626, 5635, 5684, 6440, 6670, 6790, 6860, 7105, 7889, 8120, 8924, 9016, 9338, 9506, 9947, 11155, 11252, 11270, 11368, 13340, 13580, 13720, 14065, 14210, 15617, 15778, 17848, 18676, 19012, 19691, 19894, 22310, 22504, 22540, 23345, 23765, 26680, 27160, 28130, 28420, 31234, 31556, 32683, 33271, 37352, 38024, 39382, 39445, 39788, 44620, 45080, 46690, 47530, 49735, 56260, 56840, 62468, 63112, 64699, 65366, 66542, 78085, 78764, 78890, 79576, 89240, 93380, 95060, 98455, 99470, 109319, 112520, 124936, 129398, 130732, 133084, 137837, 156170, 157528, 157780, 163415, 166355, 186760, 190120, 196910, 198940, 218638, 228781, 258796, 261464, 266168, 275674, 312340, 315560, 323495, 326830, 332710, 393820, 397880, 437276, 452893, 457562, 517592, 546595, 551348, 624680, 646990, 653660, 665420, 689185, 765233, 787640, 874552, 905786, 915124, 964859, 1093190, 1102696, 1143905, 1293980, 1307320, 1330840, 1378370, 1530466, 1811572, 1830248, 1929718, 2186380, 2264465, 2287810, 2587960, 2756740, 3060932, 3170251, 3623144, 3826165, 3859436, 4372760, 4528930, 4575620, 4824295, 5513480, 6121864, 6340502, 7652330, 7718872, 9057860, 9151240, 9648590, 12681004, 15304660, 15851255, 18115720, 19297180, 22191757, 25362008, 30609320, 31702510, 38594360, 44383514, 63405020, 88767028, 110958785, 126810040, 177534056, 221917570, 443835140, 887670280]

約数ペア:

[(1, 887670280), (2, 443835140), (4, 221917570), (5, 177534056), (7, 126810040), (8, 110958785), (10, 88767028), (14, 63405020), (20, 44383514), (23, 38594360), (28, 31702510), (29, 30609320), (35, 25362008), (40, 22191757), (46, 19297180), (49, 18115720), (56, 15851255), (58, 15304660), (70, 12681004), (92, 9648590), (97, 9151240), (98, 9057860), (115, 7718872), (116, 7652330), (140, 6340502), (145, 6121864), (161, 5513480), (184, 4824295), (194, 4575620), (196, 4528930), (203, 4372760), (230, 3859436), (232, 3826165), (245, 3623144), (280, 3170251), (290, 3060932), (322, 2756740), (343, 2587960), (388, 2287810), (392, 2264465), (406, 2186380), (460, 1929718), (485, 1830248), (490, 1811572), (580, 1530466), (644, 1378370), (667, 1330840), (679, 1307320), (686, 1293980), (776, 1143905), (805, 1102696), (812, 1093190), (920, 964859), (970, 915124), (980, 905786), (1015, 874552), (1127, 787640), (1160, 765233), (1288, 689185), (1334, 665420), (1358, 653660), (1372, 646990), (1421, 624680), (1610, 551348), (1624, 546595), (1715, 517592), (1940, 457562), (1960, 452893), (2030, 437276), (2231, 397880), (2254, 393820), (2668, 332710), (2716, 326830), (2744, 323495), (2813, 315560), (2842, 312340), (3220, 275674), (3335, 266168), (3395, 261464), (3430, 258796), (3880, 228781), (4060, 218638), (4462, 198940), (4508, 196910), (4669, 190120), (4753, 186760), (5336, 166355), (5432, 163415), (5626, 157780), (5635, 157528), (5684, 156170), (6440, 137837), (6670, 133084), (6790, 130732), (6860, 129398), (7105, 124936), (7889, 112520), (8120, 109319), (8924, 99470), (9016, 98455), (9338, 95060), (9506, 93380), (9947, 89240), (11155, 79576), (11252, 78890), (11270, 78764), (11368, 78085), (13340, 66542), (13580, 65366), (13720, 64699), (14065, 63112), (14210, 62468), (15617, 56840), (15778, 56260), (17848, 49735), (18676, 47530), (19012, 46690), (19691, 45080), (19894, 44620), (22310, 39788), (22504, 39445), (22540, 39382), (23345, 38024), (23765, 37352), (26680, 33271), (27160, 32683), (28130, 31556), (28420, 31234)]