28747680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 192

約数和(自身を含む): 103638528

約数和(自身を除く): 74890848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 96, 102, 104, 120, 130, 136, 156, 160, 170, 195, 204, 208, 221, 240, 255, 260, 271, 272, 312, 340, 390, 408, 416, 442, 480, 510, 520, 542, 544, 624, 663, 680, 780, 813, 816, 884, 1020, 1040, 1084, 1105, 1248, 1326, 1355, 1360, 1560, 1626, 1632, 1768, 2040, 2080, 2168, 2210, 2652, 2710, 2720, 3120, 3252, 3315, 3523, 3536, 4065, 4080, 4336, 4420, 4607, 5304, 5420, 6240, 6504, 6630, 7046, 7072, 8130, 8160, 8672, 8840, 9214, 10569, 10608, 10840, 13008, 13260, 13821, 14092, 16260, 17615, 17680, 18428, 21138, 21216, 21680, 23035, 26016, 26520, 27642, 28184, 32520, 35230, 35360, 36856, 42276, 43360, 46070, 52845, 53040, 55284, 56368, 59891, 65040, 69105, 70460, 73712, 84552, 92140, 105690, 106080, 110568, 112736, 119782, 130080, 138210, 140920, 147424, 169104, 179673, 184280, 211380, 221136, 239564, 276420, 281840, 299455, 338208, 359346, 368560, 422760, 442272, 479128, 552840, 563680, 598910, 718692, 737120, 845520, 898365, 958256, 1105680, 1197820, 1437384, 1691040, 1796730, 1916512, 2211360, 2395640, 2874768, 3593460, 4791280, 5749536, 7186920, 9582560, 14373840, 28747680]

約数ペア:

[(1, 28747680), (2, 14373840), (3, 9582560), (4, 7186920), (5, 5749536), (6, 4791280), (8, 3593460), (10, 2874768), (12, 2395640), (13, 2211360), (15, 1916512), (16, 1796730), (17, 1691040), (20, 1437384), (24, 1197820), (26, 1105680), (30, 958256), (32, 898365), (34, 845520), (39, 737120), (40, 718692), (48, 598910), (51, 563680), (52, 552840), (60, 479128), (65, 442272), (68, 422760), (78, 368560), (80, 359346), (85, 338208), (96, 299455), (102, 281840), (104, 276420), (120, 239564), (130, 221136), (136, 211380), (156, 184280), (160, 179673), (170, 169104), (195, 147424), (204, 140920), (208, 138210), (221, 130080), (240, 119782), (255, 112736), (260, 110568), (271, 106080), (272, 105690), (312, 92140), (340, 84552), (390, 73712), (408, 70460), (416, 69105), (442, 65040), (480, 59891), (510, 56368), (520, 55284), (542, 53040), (544, 52845), (624, 46070), (663, 43360), (680, 42276), (780, 36856), (813, 35360), (816, 35230), (884, 32520), (1020, 28184), (1040, 27642), (1084, 26520), (1105, 26016), (1248, 23035), (1326, 21680), (1355, 21216), (1360, 21138), (1560, 18428), (1626, 17680), (1632, 17615), (1768, 16260), (2040, 14092), (2080, 13821), (2168, 13260), (2210, 13008), (2652, 10840), (2710, 10608), (2720, 10569), (3120, 9214), (3252, 8840), (3315, 8672), (3523, 8160), (3536, 8130), (4065, 7072), (4080, 7046), (4336, 6630), (4420, 6504), (4607, 6240), (5304, 5420)]