128807640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1666

約数の個数: 192

約数和(自身を含む): 477640800

約数和(自身を除く): 348833160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1619, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3238, 3315, 3978, 4420, 4680, 4857, 5304, 6120, 6476, 6630, 7956, 8095, 8840, 9714, 9945, 12952, 13260, 14571, 15912, 16190, 19428, 19890, 21047, 24285, 26520, 27523, 29142, 32380, 38856, 39780, 42094, 48570, 55046, 58284, 63141, 64760, 72855, 79560, 82569, 84188, 97140, 105235, 110092, 116568, 126282, 137615, 145710, 165138, 168376, 189423, 194280, 210470, 220184, 247707, 252564, 275230, 291420, 315705, 330276, 357799, 378846, 412845, 420940, 495414, 505128, 550460, 582840, 631410, 660552, 715598, 757692, 825690, 841880, 947115, 990828, 1073397, 1100920, 1238535, 1262820, 1431196, 1515384, 1651380, 1788995, 1894230, 1981656, 2146794, 2477070, 2525640, 2862392, 3220191, 3302760, 3577990, 3788460, 4293588, 4954140, 5366985, 6440382, 7155980, 7576920, 8587176, 9908280, 10733970, 12880764, 14311960, 16100955, 21467940, 25761528, 32201910, 42935880, 64403820, 128807640]

約数ペア:

[(1, 128807640), (2, 64403820), (3, 42935880), (4, 32201910), (5, 25761528), (6, 21467940), (8, 16100955), (9, 14311960), (10, 12880764), (12, 10733970), (13, 9908280), (15, 8587176), (17, 7576920), (18, 7155980), (20, 6440382), (24, 5366985), (26, 4954140), (30, 4293588), (34, 3788460), (36, 3577990), (39, 3302760), (40, 3220191), (45, 2862392), (51, 2525640), (52, 2477070), (60, 2146794), (65, 1981656), (68, 1894230), (72, 1788995), (78, 1651380), (85, 1515384), (90, 1431196), (102, 1262820), (104, 1238535), (117, 1100920), (120, 1073397), (130, 990828), (136, 947115), (153, 841880), (156, 825690), (170, 757692), (180, 715598), (195, 660552), (204, 631410), (221, 582840), (234, 550460), (255, 505128), (260, 495414), (306, 420940), (312, 412845), (340, 378846), (360, 357799), (390, 330276), (408, 315705), (442, 291420), (468, 275230), (510, 252564), (520, 247707), (585, 220184), (612, 210470), (663, 194280), (680, 189423), (765, 168376), (780, 165138), (884, 145710), (936, 137615), (1020, 126282), (1105, 116568), (1170, 110092), (1224, 105235), (1326, 97140), (1530, 84188), (1560, 82569), (1619, 79560), (1768, 72855), (1989, 64760), (2040, 63141), (2210, 58284), (2340, 55046), (2652, 48570), (3060, 42094), (3238, 39780), (3315, 38856), (3978, 32380), (4420, 29142), (4680, 27523), (4857, 26520), (5304, 24285), (6120, 21047), (6476, 19890), (6630, 19428), (7956, 16190), (8095, 15912), (8840, 14571), (9714, 13260), (9945, 12952)]