30910720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 82414080

約数和(自身を除く): 51503360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 41, 62, 64, 76, 80, 82, 95, 124, 128, 152, 155, 160, 164, 190, 205, 248, 256, 304, 310, 320, 328, 380, 410, 496, 589, 608, 620, 640, 656, 760, 779, 820, 992, 1178, 1216, 1240, 1271, 1280, 1312, 1520, 1558, 1640, 1984, 2356, 2432, 2480, 2542, 2624, 2945, 3040, 3116, 3280, 3895, 3968, 4712, 4864, 4960, 5084, 5248, 5890, 6080, 6232, 6355, 6560, 7790, 7936, 9424, 9920, 10168, 10496, 11780, 12160, 12464, 12710, 13120, 15580, 18848, 19840, 20336, 23560, 24149, 24320, 24928, 25420, 26240, 31160, 37696, 39680, 40672, 47120, 48298, 49856, 50840, 52480, 62320, 75392, 81344, 94240, 96596, 99712, 101680, 120745, 124640, 150784, 162688, 188480, 193192, 199424, 203360, 241490, 249280, 325376, 376960, 386384, 406720, 482980, 498560, 753920, 772768, 813440, 965960, 997120, 1545536, 1626880, 1931920, 3091072, 3863840, 6182144, 7727680, 15455360, 30910720]

約数ペア:

[(1, 30910720), (2, 15455360), (4, 7727680), (5, 6182144), (8, 3863840), (10, 3091072), (16, 1931920), (19, 1626880), (20, 1545536), (31, 997120), (32, 965960), (38, 813440), (40, 772768), (41, 753920), (62, 498560), (64, 482980), (76, 406720), (80, 386384), (82, 376960), (95, 325376), (124, 249280), (128, 241490), (152, 203360), (155, 199424), (160, 193192), (164, 188480), (190, 162688), (205, 150784), (248, 124640), (256, 120745), (304, 101680), (310, 99712), (320, 96596), (328, 94240), (380, 81344), (410, 75392), (496, 62320), (589, 52480), (608, 50840), (620, 49856), (640, 48298), (656, 47120), (760, 40672), (779, 39680), (820, 37696), (992, 31160), (1178, 26240), (1216, 25420), (1240, 24928), (1271, 24320), (1280, 24149), (1312, 23560), (1520, 20336), (1558, 19840), (1640, 18848), (1984, 15580), (2356, 13120), (2432, 12710), (2480, 12464), (2542, 12160), (2624, 11780), (2945, 10496), (3040, 10168), (3116, 9920), (3280, 9424), (3895, 7936), (3968, 7790), (4712, 6560), (4864, 6355), (4960, 6232), (5084, 6080), (5248, 5890)]