17968980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 36463020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 29, 30, 46, 58, 60, 69, 87, 92, 115, 116, 138, 145, 174, 230, 276, 290, 345, 348, 435, 449, 460, 580, 667, 690, 870, 898, 1334, 1347, 1380, 1740, 1796, 2001, 2245, 2668, 2694, 3335, 4002, 4490, 5388, 6670, 6735, 8004, 8980, 10005, 10327, 13021, 13340, 13470, 20010, 20654, 26042, 26940, 30981, 39063, 40020, 41308, 51635, 52084, 61962, 65105, 78126, 103270, 123924, 130210, 154905, 156252, 195315, 206540, 260420, 299483, 309810, 390630, 598966, 619620, 781260, 898449, 1197932, 1497415, 1796898, 2994830, 3593796, 4492245, 5989660, 8984490, 17968980]

約数ペア:

[(1, 17968980), (2, 8984490), (3, 5989660), (4, 4492245), (5, 3593796), (6, 2994830), (10, 1796898), (12, 1497415), (15, 1197932), (20, 898449), (23, 781260), (29, 619620), (30, 598966), (46, 390630), (58, 309810), (60, 299483), (69, 260420), (87, 206540), (92, 195315), (115, 156252), (116, 154905), (138, 130210), (145, 123924), (174, 103270), (230, 78126), (276, 65105), (290, 61962), (345, 52084), (348, 51635), (435, 41308), (449, 40020), (460, 39063), (580, 30981), (667, 26940), (690, 26042), (870, 20654), (898, 20010), (1334, 13470), (1347, 13340), (1380, 13021), (1740, 10327), (1796, 10005), (2001, 8980), (2245, 8004), (2668, 6735), (2694, 6670), (3335, 5388), (4002, 4490)]