720346380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^4$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 2244525360

約数和(自身を除く): 1524178980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 961, 1209, 1612, 1860, 1922, 2015, 2418, 2883, 3844, 4030, 4805, 4836, 5766, 6045, 8060, 9610, 11532, 12090, 12493, 14415, 19220, 24180, 24986, 28830, 29791, 37479, 49972, 57660, 59582, 62465, 74958, 89373, 119164, 124930, 148955, 149916, 178746, 187395, 249860, 297910, 357492, 374790, 387283, 446865, 595820, 749580, 774566, 893730, 923521, 1161849, 1549132, 1787460, 1847042, 1936415, 2323698, 2770563, 3694084, 3872830, 4617605, 4647396, 5541126, 5809245, 7745660, 9235210, 11082252, 11618490, 12005773, 13852815, 18470420, 23236980, 24011546, 27705630, 36017319, 48023092, 55411260, 60028865, 72034638, 120057730, 144069276, 180086595, 240115460, 360173190, 720346380]

約数ペア:

[(1, 720346380), (2, 360173190), (3, 240115460), (4, 180086595), (5, 144069276), (6, 120057730), (10, 72034638), (12, 60028865), (13, 55411260), (15, 48023092), (20, 36017319), (26, 27705630), (30, 24011546), (31, 23236980), (39, 18470420), (52, 13852815), (60, 12005773), (62, 11618490), (65, 11082252), (78, 9235210), (93, 7745660), (124, 5809245), (130, 5541126), (155, 4647396), (156, 4617605), (186, 3872830), (195, 3694084), (260, 2770563), (310, 2323698), (372, 1936415), (390, 1847042), (403, 1787460), (465, 1549132), (620, 1161849), (780, 923521), (806, 893730), (930, 774566), (961, 749580), (1209, 595820), (1612, 446865), (1860, 387283), (1922, 374790), (2015, 357492), (2418, 297910), (2883, 249860), (3844, 187395), (4030, 178746), (4805, 149916), (4836, 148955), (5766, 124930), (6045, 119164), (8060, 89373), (9610, 74958), (11532, 62465), (12090, 59582), (12493, 57660), (14415, 49972), (19220, 37479), (24180, 29791), (24986, 28830)]