68139570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 186748416

約数和(自身を除く): 118608846

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 37, 46, 51, 69, 74, 85, 102, 111, 115, 138, 157, 170, 185, 222, 230, 255, 314, 345, 370, 391, 471, 510, 555, 629, 690, 782, 785, 851, 942, 1110, 1173, 1258, 1570, 1702, 1887, 1955, 2346, 2355, 2553, 2669, 3145, 3611, 3774, 3910, 4255, 4710, 5106, 5338, 5809, 5865, 6290, 7222, 8007, 8510, 9435, 10833, 11618, 11730, 12765, 13345, 14467, 16014, 17427, 18055, 18870, 21666, 25530, 26690, 28934, 29045, 34854, 36110, 40035, 43401, 54165, 58090, 61387, 72335, 80070, 86802, 87135, 98753, 108330, 122774, 133607, 144670, 174270, 184161, 197506, 217005, 267214, 296259, 306935, 368322, 400821, 434010, 493765, 592518, 613870, 668035, 801642, 920805, 987530, 1336070, 1481295, 1841610, 2004105, 2271319, 2962590, 4008210, 4542638, 6813957, 11356595, 13627914, 22713190, 34069785, 68139570]

約数ペア:

[(1, 68139570), (2, 34069785), (3, 22713190), (5, 13627914), (6, 11356595), (10, 6813957), (15, 4542638), (17, 4008210), (23, 2962590), (30, 2271319), (34, 2004105), (37, 1841610), (46, 1481295), (51, 1336070), (69, 987530), (74, 920805), (85, 801642), (102, 668035), (111, 613870), (115, 592518), (138, 493765), (157, 434010), (170, 400821), (185, 368322), (222, 306935), (230, 296259), (255, 267214), (314, 217005), (345, 197506), (370, 184161), (391, 174270), (471, 144670), (510, 133607), (555, 122774), (629, 108330), (690, 98753), (782, 87135), (785, 86802), (851, 80070), (942, 72335), (1110, 61387), (1173, 58090), (1258, 54165), (1570, 43401), (1702, 40035), (1887, 36110), (1955, 34854), (2346, 29045), (2355, 28934), (2553, 26690), (2669, 25530), (3145, 21666), (3611, 18870), (3774, 18055), (3910, 17427), (4255, 16014), (4710, 14467), (5106, 13345), (5338, 12765), (5809, 11730), (5865, 11618), (6290, 10833), (7222, 9435), (8007, 8510)]