201216540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:884

約数の個数: 144

約数和(自身を含む): 663616800

約数和(自身を除く): 462400260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 623, 735, 769, 890, 980, 1068, 1246, 1335, 1470, 1538, 1780, 1869, 2307, 2492, 2670, 2940, 3076, 3115, 3738, 3845, 4361, 4614, 5340, 5383, 6230, 7476, 7690, 8722, 9228, 9345, 10766, 11535, 12460, 13083, 15380, 16149, 17444, 18690, 21532, 21805, 23070, 26166, 26915, 32298, 37380, 37681, 43610, 46140, 52332, 53830, 64596, 65415, 68441, 75362, 80745, 87220, 107660, 113043, 130830, 136882, 150724, 161490, 188405, 205323, 226086, 261660, 273764, 322980, 342205, 376810, 410646, 452172, 479087, 565215, 684410, 753620, 821292, 958174, 1026615, 1130430, 1368820, 1437261, 1916348, 2053230, 2260860, 2395435, 2874522, 3353609, 4106460, 4790870, 5749044, 6707218, 7186305, 9581740, 10060827, 13414436, 14372610, 16768045, 20121654, 28745220, 33536090, 40243308, 50304135, 67072180, 100608270, 201216540]

約数ペア:

[(1, 201216540), (2, 100608270), (3, 67072180), (4, 50304135), (5, 40243308), (6, 33536090), (7, 28745220), (10, 20121654), (12, 16768045), (14, 14372610), (15, 13414436), (20, 10060827), (21, 9581740), (28, 7186305), (30, 6707218), (35, 5749044), (42, 4790870), (49, 4106460), (60, 3353609), (70, 2874522), (84, 2395435), (89, 2260860), (98, 2053230), (105, 1916348), (140, 1437261), (147, 1368820), (178, 1130430), (196, 1026615), (210, 958174), (245, 821292), (267, 753620), (294, 684410), (356, 565215), (420, 479087), (445, 452172), (490, 410646), (534, 376810), (588, 342205), (623, 322980), (735, 273764), (769, 261660), (890, 226086), (980, 205323), (1068, 188405), (1246, 161490), (1335, 150724), (1470, 136882), (1538, 130830), (1780, 113043), (1869, 107660), (2307, 87220), (2492, 80745), (2670, 75362), (2940, 68441), (3076, 65415), (3115, 64596), (3738, 53830), (3845, 52332), (4361, 46140), (4614, 43610), (5340, 37681), (5383, 37380), (6230, 32298), (7476, 26915), (7690, 26166), (8722, 23070), (9228, 21805), (9345, 21532), (10766, 18690), (11535, 17444), (12460, 16149), (13083, 15380)]