237581820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1380

約数の個数: 144

約数和(自身を含む): 829553088

約数和(自身を除く): 591971268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1099, 1201, 1260, 1413, 1570, 1884, 2198, 2355, 2402, 2826, 3140, 3297, 3603, 4396, 4710, 4804, 5495, 5652, 6005, 6594, 7065, 7206, 8407, 9420, 9891, 10809, 10990, 12010, 13188, 14130, 14412, 16485, 16814, 18015, 19782, 21618, 21980, 24020, 25221, 28260, 32970, 33628, 36030, 39564, 42035, 43236, 49455, 50442, 54045, 65940, 72060, 75663, 84070, 98910, 100884, 108090, 126105, 151326, 168140, 188557, 197820, 216180, 252210, 302652, 377114, 378315, 504420, 565671, 754228, 756630, 942785, 1131342, 1319899, 1513260, 1697013, 1885570, 2262684, 2639798, 2828355, 3394026, 3771140, 3959697, 5279596, 5656710, 6599495, 6788052, 7919394, 8485065, 11313420, 11879091, 13198990, 15838788, 16970130, 19798485, 23758182, 26397980, 33940260, 39596970, 47516364, 59395455, 79193940, 118790910, 237581820]

約数ペア:

[(1, 237581820), (2, 118790910), (3, 79193940), (4, 59395455), (5, 47516364), (6, 39596970), (7, 33940260), (9, 26397980), (10, 23758182), (12, 19798485), (14, 16970130), (15, 15838788), (18, 13198990), (20, 11879091), (21, 11313420), (28, 8485065), (30, 7919394), (35, 6788052), (36, 6599495), (42, 5656710), (45, 5279596), (60, 3959697), (63, 3771140), (70, 3394026), (84, 2828355), (90, 2639798), (105, 2262684), (126, 1885570), (140, 1697013), (157, 1513260), (180, 1319899), (210, 1131342), (252, 942785), (314, 756630), (315, 754228), (420, 565671), (471, 504420), (628, 378315), (630, 377114), (785, 302652), (942, 252210), (1099, 216180), (1201, 197820), (1260, 188557), (1413, 168140), (1570, 151326), (1884, 126105), (2198, 108090), (2355, 100884), (2402, 98910), (2826, 84070), (3140, 75663), (3297, 72060), (3603, 65940), (4396, 54045), (4710, 50442), (4804, 49455), (5495, 43236), (5652, 42035), (6005, 39564), (6594, 36030), (7065, 33628), (7206, 32970), (8407, 28260), (9420, 25221), (9891, 24020), (10809, 21980), (10990, 21618), (12010, 19782), (13188, 18015), (14130, 16814), (14412, 16485)]