147331840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 376750080

約数和(自身を除く): 229418240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 79, 80, 94, 124, 128, 155, 158, 160, 188, 235, 248, 256, 310, 316, 320, 376, 395, 470, 496, 620, 632, 640, 752, 790, 940, 992, 1240, 1264, 1280, 1457, 1504, 1580, 1880, 1984, 2449, 2480, 2528, 2914, 3008, 3160, 3713, 3760, 3968, 4898, 4960, 5056, 5828, 6016, 6320, 7285, 7426, 7520, 7936, 9796, 9920, 10112, 11656, 12032, 12245, 12640, 14570, 14852, 15040, 18565, 19592, 19840, 20224, 23312, 24490, 25280, 29140, 29704, 30080, 37130, 39184, 39680, 46624, 48980, 50560, 58280, 59408, 60160, 74260, 78368, 93248, 97960, 101120, 115103, 116560, 118816, 148520, 156736, 186496, 195920, 230206, 233120, 237632, 297040, 313472, 372992, 391840, 460412, 466240, 475264, 575515, 594080, 626944, 783680, 920824, 932480, 950528, 1151030, 1188160, 1567360, 1841648, 1864960, 2302060, 2376320, 3134720, 3683296, 4604120, 4752640, 7366592, 9208240, 14733184, 18416480, 29466368, 36832960, 73665920, 147331840]

約数ペア:

[(1, 147331840), (2, 73665920), (4, 36832960), (5, 29466368), (8, 18416480), (10, 14733184), (16, 9208240), (20, 7366592), (31, 4752640), (32, 4604120), (40, 3683296), (47, 3134720), (62, 2376320), (64, 2302060), (79, 1864960), (80, 1841648), (94, 1567360), (124, 1188160), (128, 1151030), (155, 950528), (158, 932480), (160, 920824), (188, 783680), (235, 626944), (248, 594080), (256, 575515), (310, 475264), (316, 466240), (320, 460412), (376, 391840), (395, 372992), (470, 313472), (496, 297040), (620, 237632), (632, 233120), (640, 230206), (752, 195920), (790, 186496), (940, 156736), (992, 148520), (1240, 118816), (1264, 116560), (1280, 115103), (1457, 101120), (1504, 97960), (1580, 93248), (1880, 78368), (1984, 74260), (2449, 60160), (2480, 59408), (2528, 58280), (2914, 50560), (3008, 48980), (3160, 46624), (3713, 39680), (3760, 39184), (3968, 37130), (4898, 30080), (4960, 29704), (5056, 29140), (5828, 25280), (6016, 24490), (6320, 23312), (7285, 20224), (7426, 19840), (7520, 19592), (7936, 18565), (9796, 15040), (9920, 14852), (10112, 14570), (11656, 12640), (12032, 12245)]