18386760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 66484800

約数和(自身を除く): 48098040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 53, 56, 59, 60, 70, 84, 98, 105, 106, 118, 120, 140, 147, 159, 168, 177, 196, 210, 212, 236, 245, 265, 280, 294, 295, 318, 354, 371, 392, 413, 420, 424, 472, 490, 530, 588, 590, 636, 708, 735, 742, 795, 826, 840, 885, 980, 1060, 1113, 1176, 1180, 1239, 1272, 1416, 1470, 1484, 1590, 1652, 1770, 1855, 1960, 2065, 2120, 2226, 2360, 2478, 2597, 2891, 2940, 2968, 3127, 3180, 3304, 3540, 3710, 4130, 4452, 4956, 5194, 5565, 5782, 5880, 6195, 6254, 6360, 7080, 7420, 7791, 8260, 8673, 8904, 9381, 9912, 10388, 11130, 11564, 12390, 12508, 12985, 14455, 14840, 15582, 15635, 16520, 17346, 18762, 20776, 21889, 22260, 23128, 24780, 25016, 25970, 28910, 31164, 31270, 34692, 37524, 38955, 43365, 43778, 44520, 46905, 49560, 51940, 57820, 62328, 62540, 65667, 69384, 75048, 77910, 86730, 87556, 93810, 103880, 109445, 115640, 125080, 131334, 153223, 155820, 173460, 175112, 187620, 218890, 262668, 306446, 311640, 328335, 346920, 375240, 437780, 459669, 525336, 612892, 656670, 766115, 875560, 919338, 1225784, 1313340, 1532230, 1838676, 2298345, 2626680, 3064460, 3677352, 4596690, 6128920, 9193380, 18386760]

約数ペア:

[(1, 18386760), (2, 9193380), (3, 6128920), (4, 4596690), (5, 3677352), (6, 3064460), (7, 2626680), (8, 2298345), (10, 1838676), (12, 1532230), (14, 1313340), (15, 1225784), (20, 919338), (21, 875560), (24, 766115), (28, 656670), (30, 612892), (35, 525336), (40, 459669), (42, 437780), (49, 375240), (53, 346920), (56, 328335), (59, 311640), (60, 306446), (70, 262668), (84, 218890), (98, 187620), (105, 175112), (106, 173460), (118, 155820), (120, 153223), (140, 131334), (147, 125080), (159, 115640), (168, 109445), (177, 103880), (196, 93810), (210, 87556), (212, 86730), (236, 77910), (245, 75048), (265, 69384), (280, 65667), (294, 62540), (295, 62328), (318, 57820), (354, 51940), (371, 49560), (392, 46905), (413, 44520), (420, 43778), (424, 43365), (472, 38955), (490, 37524), (530, 34692), (588, 31270), (590, 31164), (636, 28910), (708, 25970), (735, 25016), (742, 24780), (795, 23128), (826, 22260), (840, 21889), (885, 20776), (980, 18762), (1060, 17346), (1113, 16520), (1176, 15635), (1180, 15582), (1239, 14840), (1272, 14455), (1416, 12985), (1470, 12508), (1484, 12390), (1590, 11564), (1652, 11130), (1770, 10388), (1855, 9912), (1960, 9381), (2065, 8904), (2120, 8673), (2226, 8260), (2360, 7791), (2478, 7420), (2597, 7080), (2891, 6360), (2940, 6254), (2968, 6195), (3127, 5880), (3180, 5782), (3304, 5565), (3540, 5194), (3710, 4956), (4130, 4452)]