204880440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 631411200

約数和(自身を除く): 426530760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 139, 142, 173, 213, 278, 284, 346, 355, 417, 426, 519, 556, 568, 692, 695, 710, 834, 852, 865, 1038, 1065, 1112, 1384, 1390, 1420, 1668, 1704, 1730, 2076, 2085, 2130, 2595, 2780, 2840, 3336, 3460, 4152, 4170, 4260, 5190, 5560, 6920, 8340, 8520, 9869, 10380, 12283, 16680, 19738, 20760, 24047, 24566, 29607, 36849, 39476, 48094, 49132, 49345, 59214, 61415, 72141, 73698, 78952, 96188, 98264, 98690, 118428, 120235, 122830, 144282, 147396, 148035, 184245, 192376, 197380, 236856, 240470, 245660, 288564, 294792, 296070, 360705, 368490, 394760, 480940, 491320, 577128, 592140, 721410, 736980, 961880, 1184280, 1442820, 1473960, 1707337, 2885640, 3414674, 5122011, 6829348, 8536685, 10244022, 13658696, 17073370, 20488044, 25610055, 34146740, 40976088, 51220110, 68293480, 102440220, 204880440]

約数ペア:

[(1, 204880440), (2, 102440220), (3, 68293480), (4, 51220110), (5, 40976088), (6, 34146740), (8, 25610055), (10, 20488044), (12, 17073370), (15, 13658696), (20, 10244022), (24, 8536685), (30, 6829348), (40, 5122011), (60, 3414674), (71, 2885640), (120, 1707337), (139, 1473960), (142, 1442820), (173, 1184280), (213, 961880), (278, 736980), (284, 721410), (346, 592140), (355, 577128), (417, 491320), (426, 480940), (519, 394760), (556, 368490), (568, 360705), (692, 296070), (695, 294792), (710, 288564), (834, 245660), (852, 240470), (865, 236856), (1038, 197380), (1065, 192376), (1112, 184245), (1384, 148035), (1390, 147396), (1420, 144282), (1668, 122830), (1704, 120235), (1730, 118428), (2076, 98690), (2085, 98264), (2130, 96188), (2595, 78952), (2780, 73698), (2840, 72141), (3336, 61415), (3460, 59214), (4152, 49345), (4170, 49132), (4260, 48094), (5190, 39476), (5560, 36849), (6920, 29607), (8340, 24566), (8520, 24047), (9869, 20760), (10380, 19738), (12283, 16680)]