71127420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1900

約数の個数: 144

約数和(自身を含む): 249627168

約数和(自身を除く): 178499748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1861, 1911, 2548, 2730, 2940, 3185, 3722, 3822, 5460, 5583, 6370, 7444, 7644, 9305, 9555, 11166, 12740, 13027, 18610, 19110, 22332, 24193, 26054, 27915, 37220, 38220, 39081, 48386, 52108, 55830, 65135, 72579, 78162, 91189, 96772, 111660, 120965, 130270, 145158, 156324, 169351, 182378, 195405, 241930, 260540, 273567, 290316, 338702, 362895, 364756, 390810, 455945, 483860, 508053, 547134, 677404, 725790, 781620, 846755, 911890, 1016106, 1094268, 1185457, 1367835, 1451580, 1693510, 1823780, 2032212, 2370914, 2540265, 2735670, 3387020, 3556371, 4741828, 5080530, 5471340, 5927285, 7112742, 10161060, 11854570, 14225484, 17781855, 23709140, 35563710, 71127420]

約数ペア:

[(1, 71127420), (2, 35563710), (3, 23709140), (4, 17781855), (5, 14225484), (6, 11854570), (7, 10161060), (10, 7112742), (12, 5927285), (13, 5471340), (14, 5080530), (15, 4741828), (20, 3556371), (21, 3387020), (26, 2735670), (28, 2540265), (30, 2370914), (35, 2032212), (39, 1823780), (42, 1693510), (49, 1451580), (52, 1367835), (60, 1185457), (65, 1094268), (70, 1016106), (78, 911890), (84, 846755), (91, 781620), (98, 725790), (105, 677404), (130, 547134), (140, 508053), (147, 483860), (156, 455945), (182, 390810), (195, 364756), (196, 362895), (210, 338702), (245, 290316), (260, 273567), (273, 260540), (294, 241930), (364, 195405), (390, 182378), (420, 169351), (455, 156324), (490, 145158), (546, 130270), (588, 120965), (637, 111660), (735, 96772), (780, 91189), (910, 78162), (980, 72579), (1092, 65135), (1274, 55830), (1365, 52108), (1470, 48386), (1820, 39081), (1861, 38220), (1911, 37220), (2548, 27915), (2730, 26054), (2940, 24193), (3185, 22332), (3722, 19110), (3822, 18610), (5460, 13027), (5583, 12740), (6370, 11166), (7444, 9555), (7644, 9305)]