28969200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:656

約数の個数: 180

約数和(自身を含む): 108439240

約数和(自身を除く): 79470040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 100, 104, 117, 120, 130, 144, 150, 156, 180, 195, 200, 208, 225, 234, 240, 260, 300, 312, 325, 360, 390, 400, 450, 468, 520, 585, 600, 619, 624, 650, 720, 780, 900, 936, 975, 1040, 1170, 1200, 1238, 1300, 1560, 1800, 1857, 1872, 1950, 2340, 2476, 2600, 2925, 3095, 3120, 3600, 3714, 3900, 4680, 4952, 5200, 5571, 5850, 6190, 7428, 7800, 8047, 9285, 9360, 9904, 11142, 11700, 12380, 14856, 15475, 15600, 16094, 18570, 22284, 23400, 24141, 24760, 27855, 29712, 30950, 32188, 37140, 40235, 44568, 46425, 46800, 48282, 49520, 55710, 61900, 64376, 72423, 74280, 80470, 89136, 92850, 96564, 111420, 120705, 123800, 128752, 139275, 144846, 148560, 160940, 185700, 193128, 201175, 222840, 241410, 247600, 278550, 289692, 321880, 362115, 371400, 386256, 402350, 445680, 482820, 557100, 579384, 603525, 643760, 724230, 742800, 804700, 965640, 1114200, 1158768, 1207050, 1448460, 1609400, 1810575, 1931280, 2228400, 2414100, 2896920, 3218800, 3621150, 4828200, 5793840, 7242300, 9656400, 14484600, 28969200]

約数ペア:

[(1, 28969200), (2, 14484600), (3, 9656400), (4, 7242300), (5, 5793840), (6, 4828200), (8, 3621150), (9, 3218800), (10, 2896920), (12, 2414100), (13, 2228400), (15, 1931280), (16, 1810575), (18, 1609400), (20, 1448460), (24, 1207050), (25, 1158768), (26, 1114200), (30, 965640), (36, 804700), (39, 742800), (40, 724230), (45, 643760), (48, 603525), (50, 579384), (52, 557100), (60, 482820), (65, 445680), (72, 402350), (75, 386256), (78, 371400), (80, 362115), (90, 321880), (100, 289692), (104, 278550), (117, 247600), (120, 241410), (130, 222840), (144, 201175), (150, 193128), (156, 185700), (180, 160940), (195, 148560), (200, 144846), (208, 139275), (225, 128752), (234, 123800), (240, 120705), (260, 111420), (300, 96564), (312, 92850), (325, 89136), (360, 80470), (390, 74280), (400, 72423), (450, 64376), (468, 61900), (520, 55710), (585, 49520), (600, 48282), (619, 46800), (624, 46425), (650, 44568), (720, 40235), (780, 37140), (900, 32188), (936, 30950), (975, 29712), (1040, 27855), (1170, 24760), (1200, 24141), (1238, 23400), (1300, 22284), (1560, 18570), (1800, 16094), (1857, 15600), (1872, 15475), (1950, 14856), (2340, 12380), (2476, 11700), (2600, 11142), (2925, 9904), (3095, 9360), (3120, 9285), (3600, 8047), (3714, 7800), (3900, 7428), (4680, 6190), (4952, 5850), (5200, 5571)]