16646940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4021}}^1$

素因数の和:4059

約数の個数: 72

約数和(自身を含む): 52704288

約数和(自身を除く): 36057348

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, 4021, 4140, 8042, 12063, 16084, 20105, 24126, 36189, 40210, 48252, 60315, 72378, 80420, 92483, 120630, 144756, 180945, 184966, 241260, 277449, 361890, 369932, 462415, 554898, 723780, 832347, 924830, 1109796, 1387245, 1664694, 1849660, 2774490, 3329388, 4161735, 5548980, 8323470, 16646940]

約数ペア:

[(1, 16646940), (2, 8323470), (3, 5548980), (4, 4161735), (5, 3329388), (6, 2774490), (9, 1849660), (10, 1664694), (12, 1387245), (15, 1109796), (18, 924830), (20, 832347), (23, 723780), (30, 554898), (36, 462415), (45, 369932), (46, 361890), (60, 277449), (69, 241260), (90, 184966), (92, 180945), (115, 144756), (138, 120630), (180, 92483), (207, 80420), (230, 72378), (276, 60315), (345, 48252), (414, 40210), (460, 36189), (690, 24126), (828, 20105), (1035, 16084), (1380, 12063), (2070, 8042), (4021, 4140)]