618814640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{5099}}^1$

素因数の和:5190

約数の個数: 80

約数和(自身を含む): 1513965600

約数和(自身を除く): 895150960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 296, 328, 370, 410, 592, 656, 740, 820, 1480, 1517, 1640, 2960, 3034, 3280, 5099, 6068, 7585, 10198, 12136, 15170, 20396, 24272, 25495, 30340, 40792, 50990, 60680, 81584, 101980, 121360, 188663, 203960, 209059, 377326, 407920, 418118, 754652, 836236, 943315, 1045295, 1509304, 1672472, 1886630, 2090590, 3018608, 3344944, 3773260, 4181180, 7546520, 7735183, 8362360, 15093040, 15470366, 16724720, 30940732, 38675915, 61881464, 77351830, 123762928, 154703660, 309407320, 618814640]

約数ペア:

[(1, 618814640), (2, 309407320), (4, 154703660), (5, 123762928), (8, 77351830), (10, 61881464), (16, 38675915), (20, 30940732), (37, 16724720), (40, 15470366), (41, 15093040), (74, 8362360), (80, 7735183), (82, 7546520), (148, 4181180), (164, 3773260), (185, 3344944), (205, 3018608), (296, 2090590), (328, 1886630), (370, 1672472), (410, 1509304), (592, 1045295), (656, 943315), (740, 836236), (820, 754652), (1480, 418118), (1517, 407920), (1640, 377326), (2960, 209059), (3034, 203960), (3280, 188663), (5099, 121360), (6068, 101980), (7585, 81584), (10198, 60680), (12136, 50990), (15170, 40792), (20396, 30340), (24272, 25495)]