172380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 553392

約数和(自身を除く): 381012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 507, 510, 663, 676, 780, 845, 884, 1014, 1020, 1105, 1326, 1690, 2028, 2210, 2535, 2652, 2873, 3315, 3380, 4420, 5070, 5746, 6630, 8619, 10140, 11492, 13260, 14365, 17238, 28730, 34476, 43095, 57460, 86190, 172380]

約数ペア:

[(1, 172380), (2, 86190), (3, 57460), (4, 43095), (5, 34476), (6, 28730), (10, 17238), (12, 14365), (13, 13260), (15, 11492), (17, 10140), (20, 8619), (26, 6630), (30, 5746), (34, 5070), (39, 4420), (51, 3380), (52, 3315), (60, 2873), (65, 2652), (68, 2535), (78, 2210), (85, 2028), (102, 1690), (130, 1326), (156, 1105), (169, 1020), (170, 1014), (195, 884), (204, 845), (221, 780), (255, 676), (260, 663), (338, 510), (340, 507), (390, 442)]