18648960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{883}}^1$

素因数の和:916

約数の個数: 128

約数和(自身を含む): 64920960

約数和(自身を除く): 46272000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 883, 960, 1056, 1320, 1408, 1760, 1766, 1920, 2112, 2640, 2649, 3520, 3532, 4224, 4415, 5280, 5298, 7040, 7064, 8830, 9713, 10560, 10596, 13245, 14128, 17660, 19426, 21120, 21192, 26490, 28256, 29139, 35320, 38852, 42384, 48565, 52980, 56512, 58278, 70640, 77704, 84768, 97130, 105960, 113024, 116556, 141280, 145695, 155408, 169536, 194260, 211920, 233112, 282560, 291390, 310816, 339072, 388520, 423840, 466224, 565120, 582780, 621632, 777040, 847680, 932448, 1165560, 1243264, 1554080, 1695360, 1864896, 2331120, 3108160, 3729792, 4662240, 6216320, 9324480, 18648960]

約数ペア:

[(1, 18648960), (2, 9324480), (3, 6216320), (4, 4662240), (5, 3729792), (6, 3108160), (8, 2331120), (10, 1864896), (11, 1695360), (12, 1554080), (15, 1243264), (16, 1165560), (20, 932448), (22, 847680), (24, 777040), (30, 621632), (32, 582780), (33, 565120), (40, 466224), (44, 423840), (48, 388520), (55, 339072), (60, 310816), (64, 291390), (66, 282560), (80, 233112), (88, 211920), (96, 194260), (110, 169536), (120, 155408), (128, 145695), (132, 141280), (160, 116556), (165, 113024), (176, 105960), (192, 97130), (220, 84768), (240, 77704), (264, 70640), (320, 58278), (330, 56512), (352, 52980), (384, 48565), (440, 42384), (480, 38852), (528, 35320), (640, 29139), (660, 28256), (704, 26490), (880, 21192), (883, 21120), (960, 19426), (1056, 17660), (1320, 14128), (1408, 13245), (1760, 10596), (1766, 10560), (1920, 9713), (2112, 8830), (2640, 7064), (2649, 7040), (3520, 5298), (3532, 5280), (4224, 4415)]