312816420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{248267}}^1$

素因数の和:248289

約数の個数: 72

約数和(自身を含む): 1084434624

約数和(自身を除く): 771618204

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, 180, 210, 252, 315, 420, 630, 1260, 248267, 496534, 744801, 993068, 1241335, 1489602, 1737869, 2234403, 2482670, 2979204, 3475738, 3724005, 4468806, 4965340, 5213607, 6951476, 7448010, 8689345, 8937612, 10427214, 11172015, 14896020, 15640821, 17378690, 20854428, 22344030, 26068035, 31281642, 34757380, 44688060, 52136070, 62563284, 78204105, 104272140, 156408210, 312816420]

約数ペア:

[(1, 312816420), (2, 156408210), (3, 104272140), (4, 78204105), (5, 62563284), (6, 52136070), (7, 44688060), (9, 34757380), (10, 31281642), (12, 26068035), (14, 22344030), (15, 20854428), (18, 17378690), (20, 15640821), (21, 14896020), (28, 11172015), (30, 10427214), (35, 8937612), (36, 8689345), (42, 7448010), (45, 6951476), (60, 5213607), (63, 4965340), (70, 4468806), (84, 3724005), (90, 3475738), (105, 2979204), (126, 2482670), (140, 2234403), (180, 1737869), (210, 1489602), (252, 1241335), (315, 993068), (420, 744801), (630, 496534), (1260, 248267)]