18751320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1063}}^1$

素因数の和:1094

約数の個数: 144

約数和(自身を含む): 70958160

約数和(自身を除く): 52206840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1063, 1176, 1260, 1470, 1764, 1960, 2126, 2205, 2520, 2940, 3189, 3528, 4252, 4410, 5315, 5880, 6378, 7441, 8504, 8820, 9567, 10630, 12756, 14882, 15945, 17640, 19134, 21260, 22323, 25512, 29764, 31890, 37205, 38268, 42520, 44646, 47835, 52087, 59528, 63780, 66969, 74410, 76536, 89292, 95670, 104174, 111615, 127560, 133938, 148820, 156261, 178584, 191340, 208348, 223230, 260435, 267876, 297640, 312522, 334845, 382680, 416696, 446460, 468783, 520870, 535752, 625044, 669690, 781305, 892920, 937566, 1041740, 1250088, 1339380, 1562610, 1875132, 2083480, 2343915, 2678760, 3125220, 3750264, 4687830, 6250440, 9375660, 18751320]

約数ペア:

[(1, 18751320), (2, 9375660), (3, 6250440), (4, 4687830), (5, 3750264), (6, 3125220), (7, 2678760), (8, 2343915), (9, 2083480), (10, 1875132), (12, 1562610), (14, 1339380), (15, 1250088), (18, 1041740), (20, 937566), (21, 892920), (24, 781305), (28, 669690), (30, 625044), (35, 535752), (36, 520870), (40, 468783), (42, 446460), (45, 416696), (49, 382680), (56, 334845), (60, 312522), (63, 297640), (70, 267876), (72, 260435), (84, 223230), (90, 208348), (98, 191340), (105, 178584), (120, 156261), (126, 148820), (140, 133938), (147, 127560), (168, 111615), (180, 104174), (196, 95670), (210, 89292), (245, 76536), (252, 74410), (280, 66969), (294, 63780), (315, 59528), (360, 52087), (392, 47835), (420, 44646), (441, 42520), (490, 38268), (504, 37205), (588, 31890), (630, 29764), (735, 25512), (840, 22323), (882, 21260), (980, 19134), (1063, 17640), (1176, 15945), (1260, 14882), (1470, 12756), (1764, 10630), (1960, 9567), (2126, 8820), (2205, 8504), (2520, 7441), (2940, 6378), (3189, 5880), (3528, 5315), (4252, 4410)]