215241420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12413}}^1$

素因数の和:12459

約数の個数: 72

約数和(自身を含む): 640264464

約数和(自身を除く): 425023044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 5780, 8670, 12413, 17340, 24826, 37239, 49652, 62065, 74478, 124130, 148956, 186195, 211021, 248260, 372390, 422042, 633063, 744780, 844084, 1055105, 1266126, 2110210, 2532252, 3165315, 3587357, 4220420, 6330630, 7174714, 10762071, 12661260, 14349428, 17936785, 21524142, 35873570, 43048284, 53810355, 71747140, 107620710, 215241420]

約数ペア:

[(1, 215241420), (2, 107620710), (3, 71747140), (4, 53810355), (5, 43048284), (6, 35873570), (10, 21524142), (12, 17936785), (15, 14349428), (17, 12661260), (20, 10762071), (30, 7174714), (34, 6330630), (51, 4220420), (60, 3587357), (68, 3165315), (85, 2532252), (102, 2110210), (170, 1266126), (204, 1055105), (255, 844084), (289, 744780), (340, 633063), (510, 422042), (578, 372390), (867, 248260), (1020, 211021), (1156, 186195), (1445, 148956), (1734, 124130), (2890, 74478), (3468, 62065), (4335, 49652), (5780, 37239), (8670, 24826), (12413, 17340)]