1646156720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1163}}^1\times {\mathrm{1361}}^1$

素因数の和:2550

約数の個数: 80

約数和(自身を含む): 4128298272

約数和(自身を除く): 2482141552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1163, 1361, 2326, 2722, 4652, 5444, 5815, 6805, 9304, 10888, 11630, 13610, 15119, 17693, 18608, 21776, 23260, 27220, 30238, 35386, 46520, 54440, 60476, 70772, 75595, 88465, 93040, 108880, 120952, 141544, 151190, 176930, 241904, 283088, 302380, 353860, 604760, 707720, 1209520, 1415440, 1582843, 3165686, 6331372, 7914215, 12662744, 15828430, 20576959, 25325488, 31656860, 41153918, 63313720, 82307836, 102884795, 126627440, 164615672, 205769590, 329231344, 411539180, 823078360, 1646156720]

約数ペア:

[(1, 1646156720), (2, 823078360), (4, 411539180), (5, 329231344), (8, 205769590), (10, 164615672), (13, 126627440), (16, 102884795), (20, 82307836), (26, 63313720), (40, 41153918), (52, 31656860), (65, 25325488), (80, 20576959), (104, 15828430), (130, 12662744), (208, 7914215), (260, 6331372), (520, 3165686), (1040, 1582843), (1163, 1415440), (1361, 1209520), (2326, 707720), (2722, 604760), (4652, 353860), (5444, 302380), (5815, 283088), (6805, 241904), (9304, 176930), (10888, 151190), (11630, 141544), (13610, 120952), (15119, 108880), (17693, 93040), (18608, 88465), (21776, 75595), (23260, 70772), (27220, 60476), (30238, 54440), (35386, 46520)]