18302940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4459

約数の個数: 72

約数和(自身を含む): 57945888

約数和(自身を除く): 39642948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4421, 8842, 13263, 17684, 22105, 26526, 39789, 44210, 53052, 66315, 79578, 88420, 101683, 132630, 159156, 198945, 203366, 265260, 305049, 397890, 406732, 508415, 610098, 795780, 915147, 1016830, 1220196, 1525245, 1830294, 2033660, 3050490, 3660588, 4575735, 6100980, 9151470, 18302940]

約数ペア:

[(1, 18302940), (2, 9151470), (3, 6100980), (4, 4575735), (5, 3660588), (6, 3050490), (9, 2033660), (10, 1830294), (12, 1525245), (15, 1220196), (18, 1016830), (20, 915147), (23, 795780), (30, 610098), (36, 508415), (45, 406732), (46, 397890), (60, 305049), (69, 265260), (90, 203366), (92, 198945), (115, 159156), (138, 132630), (180, 101683), (207, 88420), (230, 79578), (276, 66315), (345, 53052), (414, 44210), (460, 39789), (690, 26526), (828, 22105), (1035, 17684), (1380, 13263), (2070, 8842), (4140, 4421)]