1639275540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{205423}}^1$

素因数の和:205461

約数の個数: 96

約数和(自身を含む): 5521797120

約数和(自身を除く): 3882521580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 205423, 410846, 616269, 821692, 1027115, 1232538, 1437961, 2054230, 2465076, 2875922, 3081345, 3903037, 4108460, 4313883, 5751844, 6162690, 7189805, 7806074, 8627766, 11709111, 12325380, 14379610, 15612148, 17255532, 19515185, 21569415, 23418222, 27321259, 28759220, 39030370, 43138830, 46836444, 54642518, 58545555, 78060740, 81963777, 86277660, 109285036, 117091110, 136606295, 163927554, 234182220, 273212590, 327855108, 409818885, 546425180, 819637770, 1639275540]

約数ペア:

[(1, 1639275540), (2, 819637770), (3, 546425180), (4, 409818885), (5, 327855108), (6, 273212590), (7, 234182220), (10, 163927554), (12, 136606295), (14, 117091110), (15, 109285036), (19, 86277660), (20, 81963777), (21, 78060740), (28, 58545555), (30, 54642518), (35, 46836444), (38, 43138830), (42, 39030370), (57, 28759220), (60, 27321259), (70, 23418222), (76, 21569415), (84, 19515185), (95, 17255532), (105, 15612148), (114, 14379610), (133, 12325380), (140, 11709111), (190, 8627766), (210, 7806074), (228, 7189805), (266, 6162690), (285, 5751844), (380, 4313883), (399, 4108460), (420, 3903037), (532, 3081345), (570, 2875922), (665, 2465076), (798, 2054230), (1140, 1437961), (1330, 1232538), (1596, 1027115), (1995, 821692), (2660, 616269), (3990, 410846), (7980, 205423)]