20127240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{163}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 76752000

約数和(自身を除く): 56624760

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, 163, 168, 180, 196, 210, 245, 252, 280, 294, 315, 326, 343, 360, 392, 420, 441, 489, 490, 504, 588, 630, 652, 686, 735, 815, 840, 882, 978, 980, 1029, 1141, 1176, 1260, 1304, 1372, 1467, 1470, 1630, 1715, 1764, 1956, 1960, 2058, 2205, 2282, 2445, 2520, 2744, 2934, 2940, 3087, 3260, 3423, 3430, 3528, 3912, 4116, 4410, 4564, 4890, 5145, 5705, 5868, 5880, 6174, 6520, 6846, 6860, 7335, 7987, 8232, 8820, 9128, 9780, 10269, 10290, 11410, 11736, 12348, 13692, 13720, 14670, 15435, 15974, 17115, 17640, 19560, 20538, 20580, 22820, 23961, 24696, 27384, 29340, 30870, 31948, 34230, 39935, 41076, 41160, 45640, 47922, 51345, 55909, 58680, 61740, 63896, 68460, 71883, 79870, 82152, 95844, 102690, 111818, 119805, 123480, 136920, 143766, 159740, 167727, 191688, 205380, 223636, 239610, 279545, 287532, 319480, 335454, 359415, 410760, 447272, 479220, 503181, 559090, 575064, 670908, 718830, 838635, 958440, 1006362, 1118180, 1341816, 1437660, 1677270, 2012724, 2236360, 2515905, 2875320, 3354540, 4025448, 5031810, 6709080, 10063620, 20127240]

約数ペア:

[(1, 20127240), (2, 10063620), (3, 6709080), (4, 5031810), (5, 4025448), (6, 3354540), (7, 2875320), (8, 2515905), (9, 2236360), (10, 2012724), (12, 1677270), (14, 1437660), (15, 1341816), (18, 1118180), (20, 1006362), (21, 958440), (24, 838635), (28, 718830), (30, 670908), (35, 575064), (36, 559090), (40, 503181), (42, 479220), (45, 447272), (49, 410760), (56, 359415), (60, 335454), (63, 319480), (70, 287532), (72, 279545), (84, 239610), (90, 223636), (98, 205380), (105, 191688), (120, 167727), (126, 159740), (140, 143766), (147, 136920), (163, 123480), (168, 119805), (180, 111818), (196, 102690), (210, 95844), (245, 82152), (252, 79870), (280, 71883), (294, 68460), (315, 63896), (326, 61740), (343, 58680), (360, 55909), (392, 51345), (420, 47922), (441, 45640), (489, 41160), (490, 41076), (504, 39935), (588, 34230), (630, 31948), (652, 30870), (686, 29340), (735, 27384), (815, 24696), (840, 23961), (882, 22820), (978, 20580), (980, 20538), (1029, 19560), (1141, 17640), (1176, 17115), (1260, 15974), (1304, 15435), (1372, 14670), (1467, 13720), (1470, 13692), (1630, 12348), (1715, 11736), (1764, 11410), (1956, 10290), (1960, 10269), (2058, 9780), (2205, 9128), (2282, 8820), (2445, 8232), (2520, 7987), (2744, 7335), (2934, 6860), (2940, 6846), (3087, 6520), (3260, 6174), (3423, 5880), (3430, 5868), (3528, 5705), (3912, 5145), (4116, 4890), (4410, 4564)]