1443780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 4723992

約数和(自身を除く): 3280212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 617, 780, 1170, 1234, 1851, 2340, 2468, 3085, 3702, 5553, 6170, 7404, 8021, 9255, 11106, 12340, 16042, 18510, 22212, 24063, 27765, 32084, 37020, 40105, 48126, 55530, 72189, 80210, 96252, 111060, 120315, 144378, 160420, 240630, 288756, 360945, 481260, 721890, 1443780]

約数ペア:

[(1, 1443780), (2, 721890), (3, 481260), (4, 360945), (5, 288756), (6, 240630), (9, 160420), (10, 144378), (12, 120315), (13, 111060), (15, 96252), (18, 80210), (20, 72189), (26, 55530), (30, 48126), (36, 40105), (39, 37020), (45, 32084), (52, 27765), (60, 24063), (65, 22212), (78, 18510), (90, 16042), (117, 12340), (130, 11106), (156, 9255), (180, 8021), (195, 7404), (234, 6170), (260, 5553), (390, 3702), (468, 3085), (585, 2468), (617, 2340), (780, 1851), (1170, 1234)]