8580780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 29658720

約数和(自身を除く): 21077940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 193, 195, 228, 234, 247, 260, 285, 342, 380, 386, 390, 468, 494, 570, 579, 585, 684, 741, 772, 780, 855, 965, 988, 1140, 1158, 1170, 1235, 1482, 1710, 1737, 1930, 2223, 2316, 2340, 2470, 2509, 2895, 2964, 3420, 3474, 3667, 3705, 3860, 4446, 4940, 5018, 5790, 6948, 7334, 7410, 7527, 8685, 8892, 10036, 11001, 11115, 11580, 12545, 14668, 14820, 15054, 17370, 18335, 22002, 22230, 22581, 25090, 30108, 33003, 34740, 36670, 37635, 44004, 44460, 45162, 47671, 50180, 55005, 66006, 73340, 75270, 90324, 95342, 110010, 112905, 132012, 143013, 150540, 165015, 190684, 220020, 225810, 238355, 286026, 330030, 429039, 451620, 476710, 572052, 660060, 715065, 858078, 953420, 1430130, 1716156, 2145195, 2860260, 4290390, 8580780]

約数ペア:

[(1, 8580780), (2, 4290390), (3, 2860260), (4, 2145195), (5, 1716156), (6, 1430130), (9, 953420), (10, 858078), (12, 715065), (13, 660060), (15, 572052), (18, 476710), (19, 451620), (20, 429039), (26, 330030), (30, 286026), (36, 238355), (38, 225810), (39, 220020), (45, 190684), (52, 165015), (57, 150540), (60, 143013), (65, 132012), (76, 112905), (78, 110010), (90, 95342), (95, 90324), (114, 75270), (117, 73340), (130, 66006), (156, 55005), (171, 50180), (180, 47671), (190, 45162), (193, 44460), (195, 44004), (228, 37635), (234, 36670), (247, 34740), (260, 33003), (285, 30108), (342, 25090), (380, 22581), (386, 22230), (390, 22002), (468, 18335), (494, 17370), (570, 15054), (579, 14820), (585, 14668), (684, 12545), (741, 11580), (772, 11115), (780, 11001), (855, 10036), (965, 8892), (988, 8685), (1140, 7527), (1158, 7410), (1170, 7334), (1235, 6948), (1482, 5790), (1710, 5018), (1737, 4940), (1930, 4446), (2223, 3860), (2316, 3705), (2340, 3667), (2470, 3474), (2509, 3420), (2895, 2964)]