131001780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23993}}^1$

素因数の和:24025

約数の個数: 96

約数和(自身を含む): 451471104

約数和(自身を除く): 320469324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 23993, 47986, 71979, 95972, 119965, 143958, 167951, 239930, 287916, 311909, 335902, 359895, 479860, 503853, 623818, 671804, 719790, 839755, 935727, 1007706, 1247636, 1439580, 1559545, 1679510, 1871454, 2015412, 2183363, 2519265, 3119090, 3359020, 3742908, 4366726, 4678635, 5038530, 6238180, 6550089, 8733452, 9357270, 10077060, 10916815, 13100178, 18714540, 21833630, 26200356, 32750445, 43667260, 65500890, 131001780]

約数ペア:

[(1, 131001780), (2, 65500890), (3, 43667260), (4, 32750445), (5, 26200356), (6, 21833630), (7, 18714540), (10, 13100178), (12, 10916815), (13, 10077060), (14, 9357270), (15, 8733452), (20, 6550089), (21, 6238180), (26, 5038530), (28, 4678635), (30, 4366726), (35, 3742908), (39, 3359020), (42, 3119090), (52, 2519265), (60, 2183363), (65, 2015412), (70, 1871454), (78, 1679510), (84, 1559545), (91, 1439580), (105, 1247636), (130, 1007706), (140, 935727), (156, 839755), (182, 719790), (195, 671804), (210, 623818), (260, 503853), (273, 479860), (364, 359895), (390, 335902), (420, 311909), (455, 287916), (546, 239930), (780, 167951), (910, 143958), (1092, 119965), (1365, 95972), (1820, 71979), (2730, 47986), (5460, 23993)]