42821730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 132249600

約数和(自身を除く): 89427870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 139, 163, 189, 210, 270, 278, 315, 326, 378, 417, 489, 630, 695, 815, 834, 945, 973, 978, 1141, 1251, 1390, 1467, 1630, 1890, 1946, 2085, 2282, 2445, 2502, 2919, 2934, 3423, 3753, 4170, 4401, 4865, 4890, 5705, 5838, 6255, 6846, 7335, 7506, 8757, 8802, 9730, 10269, 11410, 12510, 14595, 14670, 17115, 17514, 18765, 20538, 22005, 22657, 26271, 29190, 30807, 34230, 37530, 43785, 44010, 45314, 51345, 52542, 61614, 67971, 87570, 102690, 113285, 131355, 135942, 154035, 158599, 203913, 226570, 262710, 308070, 317198, 339855, 407826, 475797, 611739, 679710, 792995, 951594, 1019565, 1223478, 1427391, 1585990, 2039130, 2378985, 2854782, 3058695, 4282173, 4757970, 6117390, 7136955, 8564346, 14273910, 21410865, 42821730]

約数ペア:

[(1, 42821730), (2, 21410865), (3, 14273910), (5, 8564346), (6, 7136955), (7, 6117390), (9, 4757970), (10, 4282173), (14, 3058695), (15, 2854782), (18, 2378985), (21, 2039130), (27, 1585990), (30, 1427391), (35, 1223478), (42, 1019565), (45, 951594), (54, 792995), (63, 679710), (70, 611739), (90, 475797), (105, 407826), (126, 339855), (135, 317198), (139, 308070), (163, 262710), (189, 226570), (210, 203913), (270, 158599), (278, 154035), (315, 135942), (326, 131355), (378, 113285), (417, 102690), (489, 87570), (630, 67971), (695, 61614), (815, 52542), (834, 51345), (945, 45314), (973, 44010), (978, 43785), (1141, 37530), (1251, 34230), (1390, 30807), (1467, 29190), (1630, 26271), (1890, 22657), (1946, 22005), (2085, 20538), (2282, 18765), (2445, 17514), (2502, 17115), (2919, 14670), (2934, 14595), (3423, 12510), (3753, 11410), (4170, 10269), (4401, 9730), (4865, 8802), (4890, 8757), (5705, 7506), (5838, 7335), (6255, 6846)]