66622720

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 174246912

約数和(自身を除く): 107624192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 73, 80, 92, 115, 124, 128, 146, 155, 160, 184, 230, 248, 256, 292, 310, 320, 365, 368, 460, 496, 584, 620, 640, 713, 730, 736, 920, 992, 1168, 1240, 1280, 1426, 1460, 1472, 1679, 1840, 1984, 2263, 2336, 2480, 2852, 2920, 2944, 3358, 3565, 3680, 3968, 4526, 4672, 4960, 5704, 5840, 5888, 6716, 7130, 7360, 7936, 8395, 9052, 9344, 9920, 11315, 11408, 11680, 13432, 14260, 14720, 16790, 18104, 18688, 19840, 22630, 22816, 23360, 26864, 28520, 29440, 33580, 36208, 39680, 45260, 45632, 46720, 52049, 53728, 57040, 67160, 72416, 90520, 91264, 93440, 104098, 107456, 114080, 134320, 144832, 181040, 182528, 208196, 214912, 228160, 260245, 268640, 289664, 362080, 416392, 429824, 456320, 520490, 537280, 579328, 724160, 832784, 912640, 1040980, 1074560, 1448320, 1665568, 2081960, 2149120, 2896640, 3331136, 4163920, 6662272, 8327840, 13324544, 16655680, 33311360, 66622720]

約数ペア:

[(1, 66622720), (2, 33311360), (4, 16655680), (5, 13324544), (8, 8327840), (10, 6662272), (16, 4163920), (20, 3331136), (23, 2896640), (31, 2149120), (32, 2081960), (40, 1665568), (46, 1448320), (62, 1074560), (64, 1040980), (73, 912640), (80, 832784), (92, 724160), (115, 579328), (124, 537280), (128, 520490), (146, 456320), (155, 429824), (160, 416392), (184, 362080), (230, 289664), (248, 268640), (256, 260245), (292, 228160), (310, 214912), (320, 208196), (365, 182528), (368, 181040), (460, 144832), (496, 134320), (584, 114080), (620, 107456), (640, 104098), (713, 93440), (730, 91264), (736, 90520), (920, 72416), (992, 67160), (1168, 57040), (1240, 53728), (1280, 52049), (1426, 46720), (1460, 45632), (1472, 45260), (1679, 39680), (1840, 36208), (1984, 33580), (2263, 29440), (2336, 28520), (2480, 26864), (2852, 23360), (2920, 22816), (2944, 22630), (3358, 19840), (3565, 18688), (3680, 18104), (3968, 16790), (4526, 14720), (4672, 14260), (4960, 13432), (5704, 11680), (5840, 11408), (5888, 11315), (6716, 9920), (7130, 9344), (7360, 9052), (7936, 8395)]