29931720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 128

約数和(自身を含む): 110557440

約数和(自身を除く): 80625720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2741, 3640, 5460, 5482, 8223, 10920, 10964, 13705, 16446, 19187, 21928, 27410, 32892, 35633, 38374, 41115, 54820, 57561, 65784, 71266, 76748, 82230, 95935, 106899, 109640, 115122, 142532, 153496, 164460, 178165, 191870, 213798, 230244, 249431, 285064, 287805, 328920, 356330, 383740, 427596, 460488, 498862, 534495, 575610, 712660, 748293, 767480, 855192, 997724, 1068990, 1151220, 1247155, 1425320, 1496586, 1995448, 2137980, 2302440, 2494310, 2993172, 3741465, 4275960, 4988620, 5986344, 7482930, 9977240, 14965860, 29931720]

約数ペア:

[(1, 29931720), (2, 14965860), (3, 9977240), (4, 7482930), (5, 5986344), (6, 4988620), (7, 4275960), (8, 3741465), (10, 2993172), (12, 2494310), (13, 2302440), (14, 2137980), (15, 1995448), (20, 1496586), (21, 1425320), (24, 1247155), (26, 1151220), (28, 1068990), (30, 997724), (35, 855192), (39, 767480), (40, 748293), (42, 712660), (52, 575610), (56, 534495), (60, 498862), (65, 460488), (70, 427596), (78, 383740), (84, 356330), (91, 328920), (104, 287805), (105, 285064), (120, 249431), (130, 230244), (140, 213798), (156, 191870), (168, 178165), (182, 164460), (195, 153496), (210, 142532), (260, 115122), (273, 109640), (280, 106899), (312, 95935), (364, 82230), (390, 76748), (420, 71266), (455, 65784), (520, 57561), (546, 54820), (728, 41115), (780, 38374), (840, 35633), (910, 32892), (1092, 27410), (1365, 21928), (1560, 19187), (1820, 16446), (2184, 13705), (2730, 10964), (2741, 10920), (3640, 8223), (5460, 5482)]