31857150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 93087792

約数和(自身を除く): 61230642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 31, 34, 39, 50, 51, 62, 65, 75, 78, 85, 93, 102, 130, 150, 155, 170, 186, 195, 221, 255, 310, 325, 390, 403, 425, 442, 465, 510, 527, 650, 663, 775, 806, 850, 930, 961, 975, 1054, 1105, 1209, 1275, 1326, 1550, 1581, 1922, 1950, 2015, 2210, 2325, 2418, 2550, 2635, 2883, 3162, 3315, 4030, 4650, 4805, 5270, 5525, 5766, 6045, 6630, 6851, 7905, 9610, 10075, 11050, 12090, 12493, 13175, 13702, 14415, 15810, 16337, 16575, 20150, 20553, 24025, 24986, 26350, 28830, 30225, 32674, 33150, 34255, 37479, 39525, 41106, 48050, 49011, 60450, 62465, 68510, 72075, 74958, 79050, 81685, 98022, 102765, 124930, 144150, 163370, 171275, 187395, 205530, 212381, 245055, 312325, 342550, 374790, 408425, 424762, 490110, 513825, 624650, 637143, 816850, 936975, 1027650, 1061905, 1225275, 1274286, 1873950, 2123810, 2450550, 3185715, 5309525, 6371430, 10619050, 15928575, 31857150]

約数ペア:

[(1, 31857150), (2, 15928575), (3, 10619050), (5, 6371430), (6, 5309525), (10, 3185715), (13, 2450550), (15, 2123810), (17, 1873950), (25, 1274286), (26, 1225275), (30, 1061905), (31, 1027650), (34, 936975), (39, 816850), (50, 637143), (51, 624650), (62, 513825), (65, 490110), (75, 424762), (78, 408425), (85, 374790), (93, 342550), (102, 312325), (130, 245055), (150, 212381), (155, 205530), (170, 187395), (186, 171275), (195, 163370), (221, 144150), (255, 124930), (310, 102765), (325, 98022), (390, 81685), (403, 79050), (425, 74958), (442, 72075), (465, 68510), (510, 62465), (527, 60450), (650, 49011), (663, 48050), (775, 41106), (806, 39525), (850, 37479), (930, 34255), (961, 33150), (975, 32674), (1054, 30225), (1105, 28830), (1209, 26350), (1275, 24986), (1326, 24025), (1550, 20553), (1581, 20150), (1922, 16575), (1950, 16337), (2015, 15810), (2210, 14415), (2325, 13702), (2418, 13175), (2550, 12493), (2635, 12090), (2883, 11050), (3162, 10075), (3315, 9610), (4030, 7905), (4650, 6851), (4805, 6630), (5270, 6045), (5525, 5766)]