73665920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 188006400

約数和(自身を除く): 114340480

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, 310, 316, 320, 376, 395, 470, 496, 620, 632, 640, 752, 790, 940, 992, 1240, 1264, 1457, 1504, 1580, 1880, 1984, 2449, 2480, 2528, 2914, 3008, 3160, 3713, 3760, 3968, 4898, 4960, 5056, 5828, 6016, 6320, 7285, 7426, 7520, 9796, 9920, 10112, 11656, 12245, 12640, 14570, 14852, 15040, 18565, 19592, 19840, 23312, 24490, 25280, 29140, 29704, 30080, 37130, 39184, 46624, 48980, 50560, 58280, 59408, 74260, 78368, 93248, 97960, 115103, 116560, 118816, 148520, 156736, 186496, 195920, 230206, 233120, 237632, 297040, 313472, 391840, 460412, 466240, 475264, 575515, 594080, 783680, 920824, 932480, 1151030, 1188160, 1567360, 1841648, 2302060, 2376320, 3683296, 4604120, 7366592, 9208240, 14733184, 18416480, 36832960, 73665920]

約数ペア:

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