315428720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127189}}^1$

素因数の和:127233

約数の個数: 40

約数和(自身を含む): 757034880

約数和(自身を除く): 441606160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 127189, 254378, 508756, 635945, 1017512, 1271890, 2035024, 2543780, 3942859, 5087560, 7885718, 10175120, 15771436, 19714295, 31542872, 39428590, 63085744, 78857180, 157714360, 315428720]

約数ペア:

[(1, 315428720), (2, 157714360), (4, 78857180), (5, 63085744), (8, 39428590), (10, 31542872), (16, 19714295), (20, 15771436), (31, 10175120), (40, 7885718), (62, 5087560), (80, 3942859), (124, 2543780), (155, 2035024), (248, 1271890), (310, 1017512), (496, 635945), (620, 508756), (1240, 254378), (2480, 127189)]