390785160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1831

約数の個数: 128

約数和(自身を含む): 1247011200

約数和(自身を除く): 856226040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 101, 114, 120, 152, 190, 202, 228, 285, 303, 380, 404, 456, 505, 570, 606, 760, 808, 1010, 1140, 1212, 1515, 1697, 1919, 2020, 2280, 2424, 3030, 3394, 3838, 4040, 5091, 5757, 6060, 6788, 7676, 8485, 9595, 10182, 11514, 12120, 13576, 15352, 16970, 19190, 20364, 23028, 25455, 28785, 32243, 33940, 38380, 40728, 46056, 50910, 57570, 64486, 67880, 76760, 96729, 101820, 115140, 128972, 161215, 171397, 193458, 203640, 230280, 257944, 322430, 342794, 386916, 483645, 514191, 644860, 685588, 773832, 856985, 967290, 1028382, 1289720, 1371176, 1713970, 1934580, 2056764, 2570955, 3256543, 3427940, 3869160, 4113528, 5141910, 6513086, 6855880, 9769629, 10283820, 13026172, 16282715, 19539258, 20567640, 26052344, 32565430, 39078516, 48848145, 65130860, 78157032, 97696290, 130261720, 195392580, 390785160]

約数ペア:

[(1, 390785160), (2, 195392580), (3, 130261720), (4, 97696290), (5, 78157032), (6, 65130860), (8, 48848145), (10, 39078516), (12, 32565430), (15, 26052344), (19, 20567640), (20, 19539258), (24, 16282715), (30, 13026172), (38, 10283820), (40, 9769629), (57, 6855880), (60, 6513086), (76, 5141910), (95, 4113528), (101, 3869160), (114, 3427940), (120, 3256543), (152, 2570955), (190, 2056764), (202, 1934580), (228, 1713970), (285, 1371176), (303, 1289720), (380, 1028382), (404, 967290), (456, 856985), (505, 773832), (570, 685588), (606, 644860), (760, 514191), (808, 483645), (1010, 386916), (1140, 342794), (1212, 322430), (1515, 257944), (1697, 230280), (1919, 203640), (2020, 193458), (2280, 171397), (2424, 161215), (3030, 128972), (3394, 115140), (3838, 101820), (4040, 96729), (5091, 76760), (5757, 67880), (6060, 64486), (6788, 57570), (7676, 50910), (8485, 46056), (9595, 40728), (10182, 38380), (11514, 33940), (12120, 32243), (13576, 28785), (15352, 25455), (16970, 23028), (19190, 20364)]