661734990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1093}}^1$

素因数の和:1175

約数の個数: 144

約数和(自身を含む): 2033632224

約数和(自身を除く): 1371897234

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 961, 1085, 1093, 1302, 1395, 1922, 1953, 2170, 2186, 2790, 2883, 3255, 3279, 3906, 4805, 5465, 5766, 6510, 6558, 6727, 7651, 8649, 9610, 9765, 9837, 10930, 13454, 14415, 15302, 16395, 17298, 19530, 19674, 20181, 22953, 28830, 32790, 33635, 33883, 38255, 40362, 43245, 45906, 49185, 60543, 67270, 67766, 68859, 76510, 86490, 98370, 100905, 101649, 114765, 121086, 137718, 169415, 201810, 203298, 229530, 237181, 302715, 304947, 338830, 344295, 474362, 508245, 605430, 609894, 688590, 711543, 1016490, 1050373, 1185905, 1423086, 1524735, 2100746, 2134629, 2371810, 3049470, 3151119, 3557715, 4269258, 5251865, 6302238, 7115430, 7352611, 9453357, 10503730, 10673145, 14705222, 15755595, 18906714, 21346290, 22057833, 31511190, 36763055, 44115666, 47266785, 66173499, 73526110, 94533570, 110289165, 132346998, 220578330, 330867495, 661734990]

約数ペア:

[(1, 661734990), (2, 330867495), (3, 220578330), (5, 132346998), (6, 110289165), (7, 94533570), (9, 73526110), (10, 66173499), (14, 47266785), (15, 44115666), (18, 36763055), (21, 31511190), (30, 22057833), (31, 21346290), (35, 18906714), (42, 15755595), (45, 14705222), (62, 10673145), (63, 10503730), (70, 9453357), (90, 7352611), (93, 7115430), (105, 6302238), (126, 5251865), (155, 4269258), (186, 3557715), (210, 3151119), (217, 3049470), (279, 2371810), (310, 2134629), (315, 2100746), (434, 1524735), (465, 1423086), (558, 1185905), (630, 1050373), (651, 1016490), (930, 711543), (961, 688590), (1085, 609894), (1093, 605430), (1302, 508245), (1395, 474362), (1922, 344295), (1953, 338830), (2170, 304947), (2186, 302715), (2790, 237181), (2883, 229530), (3255, 203298), (3279, 201810), (3906, 169415), (4805, 137718), (5465, 121086), (5766, 114765), (6510, 101649), (6558, 100905), (6727, 98370), (7651, 86490), (8649, 76510), (9610, 68859), (9765, 67766), (9837, 67270), (10930, 60543), (13454, 49185), (14415, 45906), (15302, 43245), (16395, 40362), (17298, 38255), (19530, 33883), (19674, 33635), (20181, 32790), (22953, 28830)]