406850640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{242173}}^1$

素因数の和:242196

約数の個数: 80

約数和(自身を含む): 1441419648

約数和(自身を除く): 1034569008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 242173, 484346, 726519, 968692, 1210865, 1453038, 1695211, 1937384, 2421730, 2906076, 3390422, 3632595, 3874768, 4843460, 5085633, 5812152, 6780844, 7265190, 8476055, 9686920, 10171266, 11624304, 13561688, 14530380, 16952110, 19373840, 20342532, 25428165, 27123376, 29060760, 33904220, 40685064, 50856330, 58121520, 67808440, 81370128, 101712660, 135616880, 203425320, 406850640]

約数ペア:

[(1, 406850640), (2, 203425320), (3, 135616880), (4, 101712660), (5, 81370128), (6, 67808440), (7, 58121520), (8, 50856330), (10, 40685064), (12, 33904220), (14, 29060760), (15, 27123376), (16, 25428165), (20, 20342532), (21, 19373840), (24, 16952110), (28, 14530380), (30, 13561688), (35, 11624304), (40, 10171266), (42, 9686920), (48, 8476055), (56, 7265190), (60, 6780844), (70, 5812152), (80, 5085633), (84, 4843460), (105, 3874768), (112, 3632595), (120, 3390422), (140, 2906076), (168, 2421730), (210, 1937384), (240, 1695211), (280, 1453038), (336, 1210865), (420, 968692), (560, 726519), (840, 484346), (1680, 242173)]