78400560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2075

約数の個数: 160

約数和(自身を含む): 289981440

約数和(自身を除く): 211580880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2029, 2415, 2576, 2760, 3220, 3864, 4058, 4830, 5520, 6087, 6440, 7728, 8116, 9660, 10145, 12174, 12880, 14203, 16232, 19320, 20290, 24348, 28406, 30435, 32464, 38640, 40580, 42609, 46667, 48696, 56812, 60870, 71015, 81160, 85218, 93334, 97392, 113624, 121740, 140001, 142030, 162320, 170436, 186668, 213045, 227248, 233335, 243480, 280002, 284060, 326669, 340872, 373336, 426090, 466670, 486960, 560004, 568120, 653338, 681744, 700005, 746672, 852180, 933340, 980007, 1120008, 1136240, 1306676, 1400010, 1633345, 1704360, 1866680, 1960014, 2240016, 2613352, 2800020, 3266690, 3408720, 3733360, 3920028, 4900035, 5226704, 5600040, 6533380, 7840056, 9800070, 11200080, 13066760, 15680112, 19600140, 26133520, 39200280, 78400560]

約数ペア:

[(1, 78400560), (2, 39200280), (3, 26133520), (4, 19600140), (5, 15680112), (6, 13066760), (7, 11200080), (8, 9800070), (10, 7840056), (12, 6533380), (14, 5600040), (15, 5226704), (16, 4900035), (20, 3920028), (21, 3733360), (23, 3408720), (24, 3266690), (28, 2800020), (30, 2613352), (35, 2240016), (40, 1960014), (42, 1866680), (46, 1704360), (48, 1633345), (56, 1400010), (60, 1306676), (69, 1136240), (70, 1120008), (80, 980007), (84, 933340), (92, 852180), (105, 746672), (112, 700005), (115, 681744), (120, 653338), (138, 568120), (140, 560004), (161, 486960), (168, 466670), (184, 426090), (210, 373336), (230, 340872), (240, 326669), (276, 284060), (280, 280002), (322, 243480), (336, 233335), (345, 227248), (368, 213045), (420, 186668), (460, 170436), (483, 162320), (552, 142030), (560, 140001), (644, 121740), (690, 113624), (805, 97392), (840, 93334), (920, 85218), (966, 81160), (1104, 71015), (1288, 60870), (1380, 56812), (1610, 48696), (1680, 46667), (1840, 42609), (1932, 40580), (2029, 38640), (2415, 32464), (2576, 30435), (2760, 28406), (3220, 24348), (3864, 20290), (4058, 19320), (4830, 16232), (5520, 14203), (6087, 12880), (6440, 12174), (7728, 10145), (8116, 9660)]