198635880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87121}}^1$

素因数の和:87154

約数の個数: 64

約数和(自身を含む): 627278400

約数和(自身を除く): 428642520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 87121, 174242, 261363, 348484, 435605, 522726, 696968, 871210, 1045452, 1306815, 1655299, 1742420, 2090904, 2613630, 3310598, 3484840, 4965897, 5227260, 6621196, 8276495, 9931794, 10454520, 13242392, 16552990, 19863588, 24829485, 33105980, 39727176, 49658970, 66211960, 99317940, 198635880]

約数ペア:

[(1, 198635880), (2, 99317940), (3, 66211960), (4, 49658970), (5, 39727176), (6, 33105980), (8, 24829485), (10, 19863588), (12, 16552990), (15, 13242392), (19, 10454520), (20, 9931794), (24, 8276495), (30, 6621196), (38, 5227260), (40, 4965897), (57, 3484840), (60, 3310598), (76, 2613630), (95, 2090904), (114, 1742420), (120, 1655299), (152, 1306815), (190, 1045452), (228, 871210), (285, 696968), (380, 522726), (456, 435605), (570, 348484), (760, 261363), (1140, 174242), (2280, 87121)]