66818320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 163114560

約数和(自身を除く): 96296240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 83, 116, 145, 166, 232, 290, 332, 347, 415, 464, 580, 664, 694, 830, 1160, 1328, 1388, 1660, 1735, 2320, 2407, 2776, 3320, 3470, 4814, 5552, 6640, 6940, 9628, 10063, 12035, 13880, 19256, 20126, 24070, 27760, 28801, 38512, 40252, 48140, 50315, 57602, 80504, 96280, 100630, 115204, 144005, 161008, 192560, 201260, 230408, 288010, 402520, 460816, 576020, 805040, 835229, 1152040, 1670458, 2304080, 3340916, 4176145, 6681832, 8352290, 13363664, 16704580, 33409160, 66818320]

約数ペア:

[(1, 66818320), (2, 33409160), (4, 16704580), (5, 13363664), (8, 8352290), (10, 6681832), (16, 4176145), (20, 3340916), (29, 2304080), (40, 1670458), (58, 1152040), (80, 835229), (83, 805040), (116, 576020), (145, 460816), (166, 402520), (232, 288010), (290, 230408), (332, 201260), (347, 192560), (415, 161008), (464, 144005), (580, 115204), (664, 100630), (694, 96280), (830, 80504), (1160, 57602), (1328, 50315), (1388, 48140), (1660, 40252), (1735, 38512), (2320, 28801), (2407, 27760), (2776, 24070), (3320, 20126), (3470, 19256), (4814, 13880), (5552, 12035), (6640, 10063), (6940, 9628)]