221420640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{65899}}^1$

素因数の和:65924

約数の個数: 96

約数和(自身を含む): 797126400

約数和(自身を除く): 575705760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 65899, 131798, 197697, 263596, 329495, 395394, 461293, 527192, 658990, 790788, 922586, 988485, 1054384, 1317980, 1383879, 1581576, 1845172, 1976970, 2108768, 2306465, 2635960, 2767758, 3163152, 3690344, 3953940, 4612930, 5271920, 5535516, 6326304, 6919395, 7380688, 7907880, 9225860, 10543840, 11071032, 13838790, 14761376, 15815760, 18451720, 22142064, 27677580, 31631520, 36903440, 44284128, 55355160, 73806880, 110710320, 221420640]

約数ペア:

[(1, 221420640), (2, 110710320), (3, 73806880), (4, 55355160), (5, 44284128), (6, 36903440), (7, 31631520), (8, 27677580), (10, 22142064), (12, 18451720), (14, 15815760), (15, 14761376), (16, 13838790), (20, 11071032), (21, 10543840), (24, 9225860), (28, 7907880), (30, 7380688), (32, 6919395), (35, 6326304), (40, 5535516), (42, 5271920), (48, 4612930), (56, 3953940), (60, 3690344), (70, 3163152), (80, 2767758), (84, 2635960), (96, 2306465), (105, 2108768), (112, 1976970), (120, 1845172), (140, 1581576), (160, 1383879), (168, 1317980), (210, 1054384), (224, 988485), (240, 922586), (280, 790788), (336, 658990), (420, 527192), (480, 461293), (560, 395394), (672, 329495), (840, 263596), (1120, 197697), (1680, 131798), (3360, 65899)]