90437940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7499}}^1$

素因数の和:7581

約数の個数: 72

約数和(自身を含む): 278460000

約数和(自身を除く): 188022060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 7499, 12060, 14998, 22497, 29996, 37495, 44994, 67491, 74990, 89988, 112485, 134982, 149980, 224970, 269964, 337455, 449940, 502433, 674910, 1004866, 1349820, 1507299, 2009732, 2512165, 3014598, 4521897, 5024330, 6029196, 7536495, 9043794, 10048660, 15072990, 18087588, 22609485, 30145980, 45218970, 90437940]

約数ペア:

[(1, 90437940), (2, 45218970), (3, 30145980), (4, 22609485), (5, 18087588), (6, 15072990), (9, 10048660), (10, 9043794), (12, 7536495), (15, 6029196), (18, 5024330), (20, 4521897), (30, 3014598), (36, 2512165), (45, 2009732), (60, 1507299), (67, 1349820), (90, 1004866), (134, 674910), (180, 502433), (201, 449940), (268, 337455), (335, 269964), (402, 224970), (603, 149980), (670, 134982), (804, 112485), (1005, 89988), (1206, 74990), (1340, 67491), (2010, 44994), (2412, 37495), (3015, 29996), (4020, 22497), (6030, 14998), (7499, 12060)]