31200390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2995

約数の個数: 80

約数和(自身を含む): 90378288

約数和(自身を除く): 59177898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 2963, 3510, 5265, 5926, 8889, 10530, 14815, 17778, 26667, 29630, 38519, 44445, 53334, 77038, 80001, 88890, 115557, 133335, 160002, 192595, 231114, 240003, 266670, 346671, 385190, 400005, 480006, 577785, 693342, 800010, 1040013, 1155570, 1200015, 1733355, 2080026, 2400030, 3120039, 3466710, 5200065, 6240078, 10400130, 15600195, 31200390]

約数ペア:

[(1, 31200390), (2, 15600195), (3, 10400130), (5, 6240078), (6, 5200065), (9, 3466710), (10, 3120039), (13, 2400030), (15, 2080026), (18, 1733355), (26, 1200015), (27, 1155570), (30, 1040013), (39, 800010), (45, 693342), (54, 577785), (65, 480006), (78, 400005), (81, 385190), (90, 346671), (117, 266670), (130, 240003), (135, 231114), (162, 192595), (195, 160002), (234, 133335), (270, 115557), (351, 88890), (390, 80001), (405, 77038), (585, 53334), (702, 44445), (810, 38519), (1053, 29630), (1170, 26667), (1755, 17778), (2106, 14815), (2963, 10530), (3510, 8889), (5265, 5926)]