245983140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3450

約数の個数: 144

約数和(自身を含む): 829710336

約数和(自身を除く): 583727196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3391, 3627, 4030, 4836, 5580, 6045, 6782, 7254, 8060, 10173, 12090, 13564, 14508, 16955, 18135, 20346, 24180, 30519, 33910, 36270, 40692, 44083, 50865, 61038, 67820, 72540, 88166, 101730, 105121, 122076, 132249, 152595, 176332, 203460, 210242, 220415, 264498, 305190, 315363, 396747, 420484, 440830, 525605, 528996, 610380, 630726, 661245, 793494, 881660, 946089, 1051210, 1261452, 1322490, 1366573, 1576815, 1586988, 1892178, 1983735, 2102420, 2644980, 2733146, 3153630, 3784356, 3967470, 4099719, 4730445, 5466292, 6307260, 6832865, 7934940, 8199438, 9460890, 12299157, 13665730, 16398876, 18921780, 20498595, 24598314, 27331460, 40997190, 49196628, 61495785, 81994380, 122991570, 245983140]

約数ペア:

[(1, 245983140), (2, 122991570), (3, 81994380), (4, 61495785), (5, 49196628), (6, 40997190), (9, 27331460), (10, 24598314), (12, 20498595), (13, 18921780), (15, 16398876), (18, 13665730), (20, 12299157), (26, 9460890), (30, 8199438), (31, 7934940), (36, 6832865), (39, 6307260), (45, 5466292), (52, 4730445), (60, 4099719), (62, 3967470), (65, 3784356), (78, 3153630), (90, 2733146), (93, 2644980), (117, 2102420), (124, 1983735), (130, 1892178), (155, 1586988), (156, 1576815), (180, 1366573), (186, 1322490), (195, 1261452), (234, 1051210), (260, 946089), (279, 881660), (310, 793494), (372, 661245), (390, 630726), (403, 610380), (465, 528996), (468, 525605), (558, 440830), (585, 420484), (620, 396747), (780, 315363), (806, 305190), (930, 264498), (1116, 220415), (1170, 210242), (1209, 203460), (1395, 176332), (1612, 152595), (1860, 132249), (2015, 122076), (2340, 105121), (2418, 101730), (2790, 88166), (3391, 72540), (3627, 67820), (4030, 61038), (4836, 50865), (5580, 44083), (6045, 40692), (6782, 36270), (7254, 33910), (8060, 30519), (10173, 24180), (12090, 20346), (13564, 18135), (14508, 16955)]