131614980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 434367360

約数和(自身を除く): 302752380

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, 503, 534, 588, 623, 735, 890, 980, 1006, 1068, 1246, 1335, 1470, 1509, 1780, 1869, 2012, 2492, 2515, 2670, 2940, 3018, 3115, 3521, 3738, 4361, 5030, 5340, 6036, 6230, 7042, 7476, 7545, 8722, 9345, 10060, 10563, 12460, 13083, 14084, 15090, 17444, 17605, 18690, 21126, 21805, 24647, 26166, 30180, 35210, 37380, 42252, 43610, 44767, 49294, 52332, 52815, 65415, 70420, 73941, 87220, 89534, 98588, 105630, 123235, 130830, 134301, 147882, 179068, 211260, 223835, 246470, 261660, 268602, 295764, 313369, 369705, 447670, 492940, 537204, 626738, 671505, 739410, 895340, 940107, 1253476, 1343010, 1478820, 1566845, 1880214, 2193583, 2686020, 3133690, 3760428, 4387166, 4700535, 6267380, 6580749, 8774332, 9401070, 10967915, 13161498, 18802140, 21935830, 26322996, 32903745, 43871660, 65807490, 131614980]

約数ペア:

[(1, 131614980), (2, 65807490), (3, 43871660), (4, 32903745), (5, 26322996), (6, 21935830), (7, 18802140), (10, 13161498), (12, 10967915), (14, 9401070), (15, 8774332), (20, 6580749), (21, 6267380), (28, 4700535), (30, 4387166), (35, 3760428), (42, 3133690), (49, 2686020), (60, 2193583), (70, 1880214), (84, 1566845), (89, 1478820), (98, 1343010), (105, 1253476), (140, 940107), (147, 895340), (178, 739410), (196, 671505), (210, 626738), (245, 537204), (267, 492940), (294, 447670), (356, 369705), (420, 313369), (445, 295764), (490, 268602), (503, 261660), (534, 246470), (588, 223835), (623, 211260), (735, 179068), (890, 147882), (980, 134301), (1006, 130830), (1068, 123235), (1246, 105630), (1335, 98588), (1470, 89534), (1509, 87220), (1780, 73941), (1869, 70420), (2012, 65415), (2492, 52815), (2515, 52332), (2670, 49294), (2940, 44767), (3018, 43610), (3115, 42252), (3521, 37380), (3738, 35210), (4361, 30180), (5030, 26166), (5340, 24647), (6036, 21805), (6230, 21126), (7042, 18690), (7476, 17605), (7545, 17444), (8722, 15090), (9345, 14084), (10060, 13083), (10563, 12460)]