28255258920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{673}}^1$

素因数の和:1176

約数の個数: 256

約数和(自身を含む): 97956679680

約数和(自身を除く): 69701420760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 151, 168, 210, 280, 302, 331, 420, 453, 604, 662, 673, 755, 840, 906, 993, 1057, 1208, 1324, 1346, 1510, 1655, 1812, 1986, 2019, 2114, 2265, 2317, 2648, 2692, 3020, 3171, 3310, 3365, 3624, 3972, 4038, 4228, 4530, 4634, 4711, 4965, 5285, 5384, 6040, 6342, 6620, 6730, 6951, 7944, 8076, 8456, 9060, 9268, 9422, 9930, 10095, 10570, 11585, 12684, 13240, 13460, 13902, 14133, 15855, 16152, 18120, 18536, 18844, 19860, 20190, 21140, 23170, 23555, 25368, 26920, 27804, 28266, 31710, 34755, 37688, 39720, 40380, 42280, 46340, 47110, 49981, 55608, 56532, 63420, 69510, 70665, 80760, 92680, 94220, 99962, 101623, 113064, 126840, 139020, 141330, 149943, 188440, 199924, 203246, 222763, 249905, 278040, 282660, 299886, 304869, 349867, 399848, 406492, 445526, 499810, 508115, 565320, 599772, 609738, 668289, 699734, 711361, 749715, 812984, 891052, 999620, 1016230, 1049601, 1113815, 1199544, 1219476, 1336578, 1399468, 1422722, 1499430, 1524345, 1559341, 1749335, 1782104, 1999240, 2032460, 2099202, 2134083, 2227630, 2438952, 2673156, 2798936, 2845444, 2998860, 3048690, 3118682, 3341445, 3498670, 3556805, 4064920, 4198404, 4268166, 4455260, 4678023, 5248005, 5346312, 5690888, 5997720, 6097380, 6237364, 6682890, 6997340, 7113610, 7796705, 8396808, 8536332, 8910520, 9356046, 10496010, 10670415, 12194760, 12474728, 13365780, 13994680, 14227220, 15593410, 17072664, 18712092, 20992020, 21340830, 23390115, 26731560, 28454440, 31186820, 33637213, 37424184, 41984040, 42681660, 46780230, 62373640, 67274426, 85363320, 93560460, 100911639, 134548852, 168186065, 187120920, 201823278, 235460491, 269097704, 336372130, 403646556, 470920982, 504558195, 672744260, 706381473, 807293112, 941841964, 1009116390, 1177302455, 1345488520, 1412762946, 1883683928, 2018232780, 2354604910, 2825525892, 3531907365, 4036465560, 4709209820, 5651051784, 7063814730, 9418419640, 14127629460, 28255258920]

約数ペア:

[(1, 28255258920), (2, 14127629460), (3, 9418419640), (4, 7063814730), (5, 5651051784), (6, 4709209820), (7, 4036465560), (8, 3531907365), (10, 2825525892), (12, 2354604910), (14, 2018232780), (15, 1883683928), (20, 1412762946), (21, 1345488520), (24, 1177302455), (28, 1009116390), (30, 941841964), (35, 807293112), (40, 706381473), (42, 672744260), (56, 504558195), (60, 470920982), (70, 403646556), (84, 336372130), (105, 269097704), (120, 235460491), (140, 201823278), (151, 187120920), (168, 168186065), (210, 134548852), (280, 100911639), (302, 93560460), (331, 85363320), (420, 67274426), (453, 62373640), (604, 46780230), (662, 42681660), (673, 41984040), (755, 37424184), (840, 33637213), (906, 31186820), (993, 28454440), (1057, 26731560), (1208, 23390115), (1324, 21340830), (1346, 20992020), (1510, 18712092), (1655, 17072664), (1812, 15593410), (1986, 14227220), (2019, 13994680), (2114, 13365780), (2265, 12474728), (2317, 12194760), (2648, 10670415), (2692, 10496010), (3020, 9356046), (3171, 8910520), (3310, 8536332), (3365, 8396808), (3624, 7796705), (3972, 7113610), (4038, 6997340), (4228, 6682890), (4530, 6237364), (4634, 6097380), (4711, 5997720), (4965, 5690888), (5285, 5346312), (5384, 5248005), (6040, 4678023), (6342, 4455260), (6620, 4268166), (6730, 4198404), (6951, 4064920), (7944, 3556805), (8076, 3498670), (8456, 3341445), (9060, 3118682), (9268, 3048690), (9422, 2998860), (9930, 2845444), (10095, 2798936), (10570, 2673156), (11585, 2438952), (12684, 2227630), (13240, 2134083), (13460, 2099202), (13902, 2032460), (14133, 1999240), (15855, 1782104), (16152, 1749335), (18120, 1559341), (18536, 1524345), (18844, 1499430), (19860, 1422722), (20190, 1399468), (21140, 1336578), (23170, 1219476), (23555, 1199544), (25368, 1113815), (26920, 1049601), (27804, 1016230), (28266, 999620), (31710, 891052), (34755, 812984), (37688, 749715), (39720, 711361), (40380, 699734), (42280, 668289), (46340, 609738), (47110, 599772), (49981, 565320), (55608, 508115), (56532, 499810), (63420, 445526), (69510, 406492), (70665, 399848), (80760, 349867), (92680, 304869), (94220, 299886), (99962, 282660), (101623, 278040), (113064, 249905), (126840, 222763), (139020, 203246), (141330, 199924), (149943, 188440)]