64819760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 158561280

約数和(自身を除く): 93741520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 443, 472, 496, 590, 620, 886, 944, 1180, 1240, 1772, 1829, 2215, 2360, 2480, 3544, 3658, 4430, 4720, 7088, 7316, 8860, 9145, 13733, 14632, 17720, 18290, 26137, 27466, 29264, 35440, 36580, 52274, 54932, 68665, 73160, 104548, 109864, 130685, 137330, 146320, 209096, 219728, 261370, 274660, 418192, 522740, 549320, 810247, 1045480, 1098640, 1620494, 2090960, 3240988, 4051235, 6481976, 8102470, 12963952, 16204940, 32409880, 64819760]

約数ペア:

[(1, 64819760), (2, 32409880), (4, 16204940), (5, 12963952), (8, 8102470), (10, 6481976), (16, 4051235), (20, 3240988), (31, 2090960), (40, 1620494), (59, 1098640), (62, 1045480), (80, 810247), (118, 549320), (124, 522740), (155, 418192), (236, 274660), (248, 261370), (295, 219728), (310, 209096), (443, 146320), (472, 137330), (496, 130685), (590, 109864), (620, 104548), (886, 73160), (944, 68665), (1180, 54932), (1240, 52274), (1772, 36580), (1829, 35440), (2215, 29264), (2360, 27466), (2480, 26137), (3544, 18290), (3658, 17720), (4430, 14632), (4720, 13733), (7088, 9145), (7316, 8860)]