257031840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2471

約数の個数: 192

約数和(自身を含む): 923602176

約数和(自身を除く): 666570336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 96, 102, 104, 120, 130, 136, 156, 160, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 416, 442, 480, 510, 520, 544, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1248, 1326, 1360, 1560, 1632, 1768, 2040, 2080, 2210, 2423, 2652, 2720, 3120, 3315, 3536, 4080, 4420, 4846, 5304, 6240, 6630, 7072, 7269, 8160, 8840, 9692, 10608, 12115, 13260, 14538, 17680, 19384, 21216, 24230, 26520, 29076, 31499, 35360, 36345, 38768, 41191, 48460, 53040, 58152, 62998, 72690, 77536, 82382, 94497, 96920, 106080, 116304, 123573, 125996, 145380, 157495, 164764, 188994, 193840, 205955, 232608, 247146, 251992, 290760, 314990, 329528, 377988, 387680, 411910, 472485, 494292, 503984, 535483, 581520, 617865, 629980, 659056, 755976, 823820, 944970, 988584, 1007968, 1070966, 1163040, 1235730, 1259960, 1318112, 1511952, 1606449, 1647640, 1889940, 1977168, 2141932, 2471460, 2519920, 2677415, 3023904, 3212898, 3295280, 3779880, 3954336, 4283864, 4942920, 5039840, 5354830, 6425796, 6590560, 7559760, 8032245, 8567728, 9885840, 10709660, 12851592, 15119520, 16064490, 17135456, 19771680, 21419320, 25703184, 32128980, 42838640, 51406368, 64257960, 85677280, 128515920, 257031840]

約数ペア:

[(1, 257031840), (2, 128515920), (3, 85677280), (4, 64257960), (5, 51406368), (6, 42838640), (8, 32128980), (10, 25703184), (12, 21419320), (13, 19771680), (15, 17135456), (16, 16064490), (17, 15119520), (20, 12851592), (24, 10709660), (26, 9885840), (30, 8567728), (32, 8032245), (34, 7559760), (39, 6590560), (40, 6425796), (48, 5354830), (51, 5039840), (52, 4942920), (60, 4283864), (65, 3954336), (68, 3779880), (78, 3295280), (80, 3212898), (85, 3023904), (96, 2677415), (102, 2519920), (104, 2471460), (120, 2141932), (130, 1977168), (136, 1889940), (156, 1647640), (160, 1606449), (170, 1511952), (195, 1318112), (204, 1259960), (208, 1235730), (221, 1163040), (240, 1070966), (255, 1007968), (260, 988584), (272, 944970), (312, 823820), (340, 755976), (390, 659056), (408, 629980), (416, 617865), (442, 581520), (480, 535483), (510, 503984), (520, 494292), (544, 472485), (624, 411910), (663, 387680), (680, 377988), (780, 329528), (816, 314990), (884, 290760), (1020, 251992), (1040, 247146), (1105, 232608), (1248, 205955), (1326, 193840), (1360, 188994), (1560, 164764), (1632, 157495), (1768, 145380), (2040, 125996), (2080, 123573), (2210, 116304), (2423, 106080), (2652, 96920), (2720, 94497), (3120, 82382), (3315, 77536), (3536, 72690), (4080, 62998), (4420, 58152), (4846, 53040), (5304, 48460), (6240, 41191), (6630, 38768), (7072, 36345), (7269, 35360), (8160, 31499), (8840, 29076), (9692, 26520), (10608, 24230), (12115, 21216), (13260, 19384), (14538, 17680)]