753086720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18979}}^1$

素因数の和:19031

約数の個数: 72

約数和(自身を含む): 1862165760

約数和(自身を除く): 1109079040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 18979, 19840, 37958, 39680, 75916, 94895, 151832, 189790, 303664, 379580, 588349, 607328, 759160, 1176698, 1214656, 1518320, 2353396, 2429312, 2941745, 3036640, 4706792, 4858624, 5883490, 6073280, 9413584, 11766980, 12146560, 18827168, 23533960, 24293120, 37654336, 47067920, 75308672, 94135840, 150617344, 188271680, 376543360, 753086720]

約数ペア:

[(1, 753086720), (2, 376543360), (4, 188271680), (5, 150617344), (8, 94135840), (10, 75308672), (16, 47067920), (20, 37654336), (31, 24293120), (32, 23533960), (40, 18827168), (62, 12146560), (64, 11766980), (80, 9413584), (124, 6073280), (128, 5883490), (155, 4858624), (160, 4706792), (248, 3036640), (256, 2941745), (310, 2429312), (320, 2353396), (496, 1518320), (620, 1214656), (640, 1176698), (992, 759160), (1240, 607328), (1280, 588349), (1984, 379580), (2480, 303664), (3968, 189790), (4960, 151832), (7936, 94895), (9920, 75916), (18979, 39680), (19840, 37958)]