12221940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 36771840

約数和(自身を除く): 24549900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 151, 190, 213, 228, 284, 285, 302, 355, 380, 426, 453, 570, 604, 710, 755, 852, 906, 1065, 1140, 1349, 1420, 1510, 1812, 2130, 2265, 2698, 2869, 3020, 4047, 4260, 4530, 5396, 5738, 6745, 8094, 8607, 9060, 10721, 11476, 13490, 14345, 16188, 17214, 20235, 21442, 26980, 28690, 32163, 34428, 40470, 42884, 43035, 53605, 57380, 64326, 80940, 86070, 107210, 128652, 160815, 172140, 203699, 214420, 321630, 407398, 611097, 643260, 814796, 1018495, 1222194, 2036990, 2444388, 3055485, 4073980, 6110970, 12221940]

約数ペア:

[(1, 12221940), (2, 6110970), (3, 4073980), (4, 3055485), (5, 2444388), (6, 2036990), (10, 1222194), (12, 1018495), (15, 814796), (19, 643260), (20, 611097), (30, 407398), (38, 321630), (57, 214420), (60, 203699), (71, 172140), (76, 160815), (95, 128652), (114, 107210), (142, 86070), (151, 80940), (190, 64326), (213, 57380), (228, 53605), (284, 43035), (285, 42884), (302, 40470), (355, 34428), (380, 32163), (426, 28690), (453, 26980), (570, 21442), (604, 20235), (710, 17214), (755, 16188), (852, 14345), (906, 13490), (1065, 11476), (1140, 10721), (1349, 9060), (1420, 8607), (1510, 8094), (1812, 6745), (2130, 5738), (2265, 5396), (2698, 4530), (2869, 4260), (3020, 4047)]