28985520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 96422400

約数和(自身を除く): 67436880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 59, 60, 69, 80, 89, 92, 115, 118, 120, 138, 177, 178, 184, 230, 236, 240, 267, 276, 295, 345, 354, 356, 368, 445, 460, 472, 534, 552, 590, 690, 708, 712, 885, 890, 920, 944, 1068, 1104, 1180, 1335, 1357, 1380, 1416, 1424, 1770, 1780, 1840, 2047, 2136, 2360, 2670, 2714, 2760, 2832, 3540, 3560, 4071, 4094, 4272, 4720, 5251, 5340, 5428, 5520, 6141, 6785, 7080, 7120, 8142, 8188, 10235, 10502, 10680, 10856, 12282, 13570, 14160, 15753, 16284, 16376, 20355, 20470, 21004, 21360, 21712, 24564, 26255, 27140, 30705, 31506, 32568, 32752, 40710, 40940, 42008, 49128, 52510, 54280, 61410, 63012, 65136, 78765, 81420, 81880, 84016, 98256, 105020, 108560, 120773, 122820, 126024, 157530, 162840, 163760, 210040, 241546, 245640, 252048, 315060, 325680, 362319, 420080, 483092, 491280, 603865, 630120, 724638, 966184, 1207730, 1260240, 1449276, 1811595, 1932368, 2415460, 2898552, 3623190, 4830920, 5797104, 7246380, 9661840, 14492760, 28985520]

約数ペア:

[(1, 28985520), (2, 14492760), (3, 9661840), (4, 7246380), (5, 5797104), (6, 4830920), (8, 3623190), (10, 2898552), (12, 2415460), (15, 1932368), (16, 1811595), (20, 1449276), (23, 1260240), (24, 1207730), (30, 966184), (40, 724638), (46, 630120), (48, 603865), (59, 491280), (60, 483092), (69, 420080), (80, 362319), (89, 325680), (92, 315060), (115, 252048), (118, 245640), (120, 241546), (138, 210040), (177, 163760), (178, 162840), (184, 157530), (230, 126024), (236, 122820), (240, 120773), (267, 108560), (276, 105020), (295, 98256), (345, 84016), (354, 81880), (356, 81420), (368, 78765), (445, 65136), (460, 63012), (472, 61410), (534, 54280), (552, 52510), (590, 49128), (690, 42008), (708, 40940), (712, 40710), (885, 32752), (890, 32568), (920, 31506), (944, 30705), (1068, 27140), (1104, 26255), (1180, 24564), (1335, 21712), (1357, 21360), (1380, 21004), (1416, 20470), (1424, 20355), (1770, 16376), (1780, 16284), (1840, 15753), (2047, 14160), (2136, 13570), (2360, 12282), (2670, 10856), (2714, 10680), (2760, 10502), (2832, 10235), (3540, 8188), (3560, 8142), (4071, 7120), (4094, 7080), (4272, 6785), (4720, 6141), (5251, 5520), (5340, 5428)]