644328120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 1994207040

約数和(自身を除く): 1349878920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 173, 205, 246, 328, 346, 410, 492, 519, 615, 692, 757, 820, 865, 984, 1038, 1230, 1384, 1514, 1640, 1730, 2076, 2271, 2460, 2595, 3028, 3460, 3785, 4152, 4542, 4920, 5190, 6056, 6920, 7093, 7570, 9084, 10380, 11355, 14186, 15140, 18168, 20760, 21279, 22710, 28372, 30280, 31037, 35465, 42558, 45420, 56744, 62074, 70930, 85116, 90840, 93111, 106395, 124148, 130961, 141860, 155185, 170232, 186222, 212790, 248296, 261922, 283720, 310370, 372444, 392883, 425580, 465555, 523844, 620740, 654805, 744888, 785766, 851160, 931110, 1047688, 1241480, 1309610, 1571532, 1862220, 1964415, 2619220, 3143064, 3724440, 3928830, 5238440, 5369401, 7857660, 10738802, 15715320, 16108203, 21477604, 26847005, 32216406, 42955208, 53694010, 64432812, 80541015, 107388020, 128865624, 161082030, 214776040, 322164060, 644328120]

約数ペア:

[(1, 644328120), (2, 322164060), (3, 214776040), (4, 161082030), (5, 128865624), (6, 107388020), (8, 80541015), (10, 64432812), (12, 53694010), (15, 42955208), (20, 32216406), (24, 26847005), (30, 21477604), (40, 16108203), (41, 15715320), (60, 10738802), (82, 7857660), (120, 5369401), (123, 5238440), (164, 3928830), (173, 3724440), (205, 3143064), (246, 2619220), (328, 1964415), (346, 1862220), (410, 1571532), (492, 1309610), (519, 1241480), (615, 1047688), (692, 931110), (757, 851160), (820, 785766), (865, 744888), (984, 654805), (1038, 620740), (1230, 523844), (1384, 465555), (1514, 425580), (1640, 392883), (1730, 372444), (2076, 310370), (2271, 283720), (2460, 261922), (2595, 248296), (3028, 212790), (3460, 186222), (3785, 170232), (4152, 155185), (4542, 141860), (4920, 130961), (5190, 124148), (6056, 106395), (6920, 93111), (7093, 90840), (7570, 85116), (9084, 70930), (10380, 62074), (11355, 56744), (14186, 45420), (15140, 42558), (18168, 35465), (20760, 31037), (21279, 30280), (22710, 28372)]