156969568420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2591}}^1\times {\mathrm{61819}}^1$

素因数の和:64433

約数の個数: 72

約数和(自身を含む): 383608431360

約数和(自身を除く): 226638862940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2591, 5182, 10364, 12955, 18137, 25910, 36274, 51820, 61819, 72548, 90685, 123638, 126959, 181370, 247276, 253918, 309095, 362740, 432733, 507836, 618190, 634795, 865466, 1236380, 1269590, 1730932, 2163665, 2539180, 3029131, 4327330, 6058262, 8654660, 12116524, 15145655, 30291310, 60582620, 160173029, 320346058, 640692116, 800865145, 1121211203, 1601730290, 2242422406, 3203460580, 4484844812, 5606056015, 7848478421, 11212112030, 15696956842, 22424224060, 31393913684, 39242392105, 78484784210, 156969568420]

約数ペア:

[(1, 156969568420), (2, 78484784210), (4, 39242392105), (5, 31393913684), (7, 22424224060), (10, 15696956842), (14, 11212112030), (20, 7848478421), (28, 5606056015), (35, 4484844812), (49, 3203460580), (70, 2242422406), (98, 1601730290), (140, 1121211203), (196, 800865145), (245, 640692116), (490, 320346058), (980, 160173029), (2591, 60582620), (5182, 30291310), (10364, 15145655), (12955, 12116524), (18137, 8654660), (25910, 6058262), (36274, 4327330), (51820, 3029131), (61819, 2539180), (72548, 2163665), (90685, 1730932), (123638, 1269590), (126959, 1236380), (181370, 865466), (247276, 634795), (253918, 618190), (309095, 507836), (362740, 432733)]