1001895720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19553}}^1$

素因数の和:19635

約数の個数: 128

約数和(自身を含む): 3491562240

約数和(自身を除く): 2489666520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 17080, 19553, 25620, 39106, 51240, 58659, 78212, 97765, 117318, 136871, 156424, 195530, 234636, 273742, 293295, 391060, 410613, 469272, 547484, 586590, 684355, 782120, 821226, 1094968, 1173180, 1192733, 1368710, 1642452, 2053065, 2346360, 2385466, 2737420, 3284904, 3578199, 4106130, 4770932, 5474840, 5963665, 7156398, 8212260, 8349131, 9541864, 11927330, 14312796, 16424520, 16698262, 17890995, 23854660, 25047393, 28625592, 33396524, 35781990, 41745655, 47709320, 50094786, 66793048, 71563980, 83491310, 100189572, 125236965, 143127960, 166982620, 200379144, 250473930, 333965240, 500947860, 1001895720]

約数ペア:

[(1, 1001895720), (2, 500947860), (3, 333965240), (4, 250473930), (5, 200379144), (6, 166982620), (7, 143127960), (8, 125236965), (10, 100189572), (12, 83491310), (14, 71563980), (15, 66793048), (20, 50094786), (21, 47709320), (24, 41745655), (28, 35781990), (30, 33396524), (35, 28625592), (40, 25047393), (42, 23854660), (56, 17890995), (60, 16698262), (61, 16424520), (70, 14312796), (84, 11927330), (105, 9541864), (120, 8349131), (122, 8212260), (140, 7156398), (168, 5963665), (183, 5474840), (210, 4770932), (244, 4106130), (280, 3578199), (305, 3284904), (366, 2737420), (420, 2385466), (427, 2346360), (488, 2053065), (610, 1642452), (732, 1368710), (840, 1192733), (854, 1173180), (915, 1094968), (1220, 821226), (1281, 782120), (1464, 684355), (1708, 586590), (1830, 547484), (2135, 469272), (2440, 410613), (2562, 391060), (3416, 293295), (3660, 273742), (4270, 234636), (5124, 195530), (6405, 156424), (7320, 136871), (8540, 117318), (10248, 97765), (12810, 78212), (17080, 58659), (19553, 51240), (25620, 39106)]