15705929960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{30871}}^1$

素因数の和:30991

約数の個数: 128

約数和(自身を含む): 42677452800

約数和(自身を除く): 26971522840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 79, 92, 115, 140, 158, 161, 184, 230, 280, 316, 322, 395, 460, 553, 632, 644, 790, 805, 920, 1106, 1288, 1580, 1610, 1817, 2212, 2765, 3160, 3220, 3634, 4424, 5530, 6440, 7268, 9085, 11060, 12719, 14536, 18170, 22120, 25438, 30871, 36340, 50876, 61742, 63595, 72680, 101752, 123484, 127190, 154355, 216097, 246968, 254380, 308710, 432194, 508760, 617420, 710033, 864388, 1080485, 1234840, 1420066, 1728776, 2160970, 2438809, 2840132, 3550165, 4321940, 4877618, 4970231, 5680264, 7100330, 8643880, 9755236, 9940462, 12194045, 14200660, 17071663, 19510472, 19880924, 24388090, 24851155, 28401320, 34143326, 39761848, 48776180, 49702310, 56092607, 68286652, 85358315, 97552360, 99404620, 112185214, 136573304, 170716630, 198809240, 224370428, 280463035, 341433260, 392648249, 448740856, 560926070, 682866520, 785296498, 1121852140, 1570592996, 1963241245, 2243704280, 3141185992, 3926482490, 7852964980, 15705929960]

約数ペア:

[(1, 15705929960), (2, 7852964980), (4, 3926482490), (5, 3141185992), (7, 2243704280), (8, 1963241245), (10, 1570592996), (14, 1121852140), (20, 785296498), (23, 682866520), (28, 560926070), (35, 448740856), (40, 392648249), (46, 341433260), (56, 280463035), (70, 224370428), (79, 198809240), (92, 170716630), (115, 136573304), (140, 112185214), (158, 99404620), (161, 97552360), (184, 85358315), (230, 68286652), (280, 56092607), (316, 49702310), (322, 48776180), (395, 39761848), (460, 34143326), (553, 28401320), (632, 24851155), (644, 24388090), (790, 19880924), (805, 19510472), (920, 17071663), (1106, 14200660), (1288, 12194045), (1580, 9940462), (1610, 9755236), (1817, 8643880), (2212, 7100330), (2765, 5680264), (3160, 4970231), (3220, 4877618), (3634, 4321940), (4424, 3550165), (5530, 2840132), (6440, 2438809), (7268, 2160970), (9085, 1728776), (11060, 1420066), (12719, 1234840), (14536, 1080485), (18170, 864388), (22120, 710033), (25438, 617420), (30871, 508760), (36340, 432194), (50876, 308710), (61742, 254380), (63595, 246968), (72680, 216097), (101752, 154355), (123484, 127190)]