31970920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 50973080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 59, 62, 76, 92, 95, 115, 118, 124, 152, 155, 184, 190, 230, 236, 248, 295, 310, 380, 437, 460, 472, 589, 590, 620, 713, 760, 874, 920, 1121, 1178, 1180, 1240, 1357, 1426, 1748, 1829, 2185, 2242, 2356, 2360, 2714, 2852, 2945, 3496, 3565, 3658, 4370, 4484, 4712, 5428, 5605, 5704, 5890, 6785, 7130, 7316, 8740, 8968, 9145, 10856, 11210, 11780, 13547, 13570, 14260, 14632, 17480, 18290, 22420, 23560, 25783, 27094, 27140, 28520, 34751, 36580, 42067, 44840, 51566, 54188, 54280, 67735, 69502, 73160, 84134, 103132, 108376, 128915, 135470, 139004, 168268, 173755, 206264, 210335, 257830, 270940, 278008, 336536, 347510, 420670, 515660, 541880, 695020, 799273, 841340, 1031320, 1390040, 1598546, 1682680, 3197092, 3996365, 6394184, 7992730, 15985460, 31970920]

約数ペア:

[(1, 31970920), (2, 15985460), (4, 7992730), (5, 6394184), (8, 3996365), (10, 3197092), (19, 1682680), (20, 1598546), (23, 1390040), (31, 1031320), (38, 841340), (40, 799273), (46, 695020), (59, 541880), (62, 515660), (76, 420670), (92, 347510), (95, 336536), (115, 278008), (118, 270940), (124, 257830), (152, 210335), (155, 206264), (184, 173755), (190, 168268), (230, 139004), (236, 135470), (248, 128915), (295, 108376), (310, 103132), (380, 84134), (437, 73160), (460, 69502), (472, 67735), (589, 54280), (590, 54188), (620, 51566), (713, 44840), (760, 42067), (874, 36580), (920, 34751), (1121, 28520), (1178, 27140), (1180, 27094), (1240, 25783), (1357, 23560), (1426, 22420), (1748, 18290), (1829, 17480), (2185, 14632), (2242, 14260), (2356, 13570), (2360, 13547), (2714, 11780), (2852, 11210), (2945, 10856), (3496, 9145), (3565, 8968), (3658, 8740), (4370, 7316), (4484, 7130), (4712, 6785), (5428, 5890), (5605, 5704)]