287129440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 776950272

約数和(自身を除く): 489820832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 61, 62, 65, 73, 80, 104, 122, 124, 130, 146, 155, 160, 208, 244, 248, 260, 292, 305, 310, 365, 403, 416, 488, 496, 520, 584, 610, 620, 730, 793, 806, 949, 976, 992, 1040, 1168, 1220, 1240, 1460, 1586, 1612, 1891, 1898, 1952, 2015, 2080, 2263, 2336, 2440, 2480, 2920, 3172, 3224, 3782, 3796, 3965, 4030, 4453, 4526, 4745, 4880, 4960, 5840, 6344, 6448, 7564, 7592, 7930, 8060, 8906, 9052, 9455, 9490, 9760, 11315, 11680, 12688, 12896, 15128, 15184, 15860, 16120, 17812, 18104, 18910, 18980, 22265, 22630, 24583, 25376, 29419, 30256, 30368, 31720, 32240, 35624, 36208, 37820, 37960, 44530, 45260, 49166, 57889, 58838, 60512, 63440, 64480, 71248, 72416, 75640, 75920, 89060, 90520, 98332, 115778, 117676, 122915, 126880, 138043, 142496, 147095, 151280, 151840, 178120, 181040, 196664, 231556, 235352, 245830, 276086, 289445, 294190, 302560, 356240, 362080, 393328, 463112, 470704, 491660, 552172, 578890, 588380, 690215, 712480, 786656, 926224, 941408, 983320, 1104344, 1157780, 1176760, 1380430, 1794559, 1852448, 1966640, 2208688, 2315560, 2353520, 2760860, 3589118, 3933280, 4417376, 4631120, 4707040, 5521720, 7178236, 8972795, 9262240, 11043440, 14356472, 17945590, 22086880, 28712944, 35891180, 57425888, 71782360, 143564720, 287129440]

約数ペア:

[(1, 287129440), (2, 143564720), (4, 71782360), (5, 57425888), (8, 35891180), (10, 28712944), (13, 22086880), (16, 17945590), (20, 14356472), (26, 11043440), (31, 9262240), (32, 8972795), (40, 7178236), (52, 5521720), (61, 4707040), (62, 4631120), (65, 4417376), (73, 3933280), (80, 3589118), (104, 2760860), (122, 2353520), (124, 2315560), (130, 2208688), (146, 1966640), (155, 1852448), (160, 1794559), (208, 1380430), (244, 1176760), (248, 1157780), (260, 1104344), (292, 983320), (305, 941408), (310, 926224), (365, 786656), (403, 712480), (416, 690215), (488, 588380), (496, 578890), (520, 552172), (584, 491660), (610, 470704), (620, 463112), (730, 393328), (793, 362080), (806, 356240), (949, 302560), (976, 294190), (992, 289445), (1040, 276086), (1168, 245830), (1220, 235352), (1240, 231556), (1460, 196664), (1586, 181040), (1612, 178120), (1891, 151840), (1898, 151280), (1952, 147095), (2015, 142496), (2080, 138043), (2263, 126880), (2336, 122915), (2440, 117676), (2480, 115778), (2920, 98332), (3172, 90520), (3224, 89060), (3782, 75920), (3796, 75640), (3965, 72416), (4030, 71248), (4453, 64480), (4526, 63440), (4745, 60512), (4880, 58838), (4960, 57889), (5840, 49166), (6344, 45260), (6448, 44530), (7564, 37960), (7592, 37820), (7930, 36208), (8060, 35624), (8906, 32240), (9052, 31720), (9455, 30368), (9490, 30256), (9760, 29419), (11315, 25376), (11680, 24583), (12688, 22630), (12896, 22265), (15128, 18980), (15184, 18910), (15860, 18104), (16120, 17812)]