7721220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 24554880

約数和(自身を除く): 16833660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 521, 570, 741, 780, 988, 1042, 1140, 1235, 1482, 1563, 2084, 2470, 2605, 2964, 3126, 3705, 4940, 5210, 6252, 6773, 7410, 7815, 9899, 10420, 13546, 14820, 15630, 19798, 20319, 27092, 29697, 31260, 33865, 39596, 40638, 49495, 59394, 67730, 81276, 98990, 101595, 118788, 128687, 135460, 148485, 197980, 203190, 257374, 296970, 386061, 406380, 514748, 593940, 643435, 772122, 1286870, 1544244, 1930305, 2573740, 3860610, 7721220]

約数ペア:

[(1, 7721220), (2, 3860610), (3, 2573740), (4, 1930305), (5, 1544244), (6, 1286870), (10, 772122), (12, 643435), (13, 593940), (15, 514748), (19, 406380), (20, 386061), (26, 296970), (30, 257374), (38, 203190), (39, 197980), (52, 148485), (57, 135460), (60, 128687), (65, 118788), (76, 101595), (78, 98990), (95, 81276), (114, 67730), (130, 59394), (156, 49495), (190, 40638), (195, 39596), (228, 33865), (247, 31260), (260, 29697), (285, 27092), (380, 20319), (390, 19798), (494, 15630), (521, 14820), (570, 13546), (741, 10420), (780, 9899), (988, 7815), (1042, 7410), (1140, 6773), (1235, 6252), (1482, 5210), (1563, 4940), (2084, 3705), (2470, 3126), (2605, 2964)]