71782360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 184988160

約数和(自身を除く): 113205800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 61, 62, 65, 73, 104, 122, 124, 130, 146, 155, 244, 248, 260, 292, 305, 310, 365, 403, 488, 520, 584, 610, 620, 730, 793, 806, 949, 1220, 1240, 1460, 1586, 1612, 1891, 1898, 2015, 2263, 2440, 2920, 3172, 3224, 3782, 3796, 3965, 4030, 4453, 4526, 4745, 6344, 7564, 7592, 7930, 8060, 8906, 9052, 9455, 9490, 11315, 15128, 15860, 16120, 17812, 18104, 18910, 18980, 22265, 22630, 24583, 29419, 31720, 35624, 37820, 37960, 44530, 45260, 49166, 57889, 58838, 75640, 89060, 90520, 98332, 115778, 117676, 122915, 138043, 147095, 178120, 196664, 231556, 235352, 245830, 276086, 289445, 294190, 463112, 491660, 552172, 578890, 588380, 690215, 983320, 1104344, 1157780, 1176760, 1380430, 1794559, 2315560, 2760860, 3589118, 5521720, 7178236, 8972795, 14356472, 17945590, 35891180, 71782360]

約数ペア:

[(1, 71782360), (2, 35891180), (4, 17945590), (5, 14356472), (8, 8972795), (10, 7178236), (13, 5521720), (20, 3589118), (26, 2760860), (31, 2315560), (40, 1794559), (52, 1380430), (61, 1176760), (62, 1157780), (65, 1104344), (73, 983320), (104, 690215), (122, 588380), (124, 578890), (130, 552172), (146, 491660), (155, 463112), (244, 294190), (248, 289445), (260, 276086), (292, 245830), (305, 235352), (310, 231556), (365, 196664), (403, 178120), (488, 147095), (520, 138043), (584, 122915), (610, 117676), (620, 115778), (730, 98332), (793, 90520), (806, 89060), (949, 75640), (1220, 58838), (1240, 57889), (1460, 49166), (1586, 45260), (1612, 44530), (1891, 37960), (1898, 37820), (2015, 35624), (2263, 31720), (2440, 29419), (2920, 24583), (3172, 22630), (3224, 22265), (3782, 18980), (3796, 18910), (3965, 18104), (4030, 17812), (4453, 16120), (4526, 15860), (4745, 15128), (6344, 11315), (7564, 9490), (7592, 9455), (7930, 9052), (8060, 8906)]