221329080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12547}}^1$

素因数の和:12578

約数の個数: 144

約数和(自身を含む): 836826120

約数和(自身を除く): 615497040

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, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12547, 17640, 25094, 37641, 50188, 62735, 75282, 87829, 100376, 112923, 125470, 150564, 175658, 188205, 225846, 250940, 263487, 301128, 351316, 376410, 439145, 451692, 501880, 526974, 564615, 614803, 702632, 752820, 790461, 878290, 903384, 1053948, 1129230, 1229606, 1317435, 1505640, 1580922, 1756580, 1844409, 2107896, 2258460, 2459212, 2634870, 3074015, 3161844, 3513160, 3688818, 3952305, 4516920, 4918424, 5269740, 5533227, 6148030, 6323688, 7377636, 7904610, 9222045, 10539480, 11066454, 12296060, 14755272, 15809220, 18444090, 22132908, 24592120, 27666135, 31618440, 36888180, 44265816, 55332270, 73776360, 110664540, 221329080]

約数ペア:

[(1, 221329080), (2, 110664540), (3, 73776360), (4, 55332270), (5, 44265816), (6, 36888180), (7, 31618440), (8, 27666135), (9, 24592120), (10, 22132908), (12, 18444090), (14, 15809220), (15, 14755272), (18, 12296060), (20, 11066454), (21, 10539480), (24, 9222045), (28, 7904610), (30, 7377636), (35, 6323688), (36, 6148030), (40, 5533227), (42, 5269740), (45, 4918424), (49, 4516920), (56, 3952305), (60, 3688818), (63, 3513160), (70, 3161844), (72, 3074015), (84, 2634870), (90, 2459212), (98, 2258460), (105, 2107896), (120, 1844409), (126, 1756580), (140, 1580922), (147, 1505640), (168, 1317435), (180, 1229606), (196, 1129230), (210, 1053948), (245, 903384), (252, 878290), (280, 790461), (294, 752820), (315, 702632), (360, 614803), (392, 564615), (420, 526974), (441, 501880), (490, 451692), (504, 439145), (588, 376410), (630, 351316), (735, 301128), (840, 263487), (882, 250940), (980, 225846), (1176, 188205), (1260, 175658), (1470, 150564), (1764, 125470), (1960, 112923), (2205, 100376), (2520, 87829), (2940, 75282), (3528, 62735), (4410, 50188), (5880, 37641), (8820, 25094), (12547, 17640)]