168341780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 383201280

約数和(自身を除く): 214859500

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 53, 62, 94, 106, 109, 124, 155, 188, 212, 218, 235, 265, 310, 436, 470, 530, 545, 620, 940, 1060, 1090, 1457, 1643, 2180, 2491, 2914, 3286, 3379, 4982, 5123, 5777, 5828, 6572, 6758, 7285, 8215, 9964, 10246, 11554, 12455, 13516, 14570, 16430, 16895, 20492, 23108, 24910, 25615, 28885, 29140, 32860, 33790, 49820, 51230, 57770, 67580, 77221, 102460, 115540, 154442, 158813, 179087, 271519, 308884, 317626, 358174, 386105, 543038, 635252, 716348, 772210, 794065, 895435, 1086076, 1357595, 1544420, 1588130, 1790870, 2715190, 3176260, 3581740, 5430380, 8417089, 16834178, 33668356, 42085445, 84170890, 168341780]

約数ペア:

[(1, 168341780), (2, 84170890), (4, 42085445), (5, 33668356), (10, 16834178), (20, 8417089), (31, 5430380), (47, 3581740), (53, 3176260), (62, 2715190), (94, 1790870), (106, 1588130), (109, 1544420), (124, 1357595), (155, 1086076), (188, 895435), (212, 794065), (218, 772210), (235, 716348), (265, 635252), (310, 543038), (436, 386105), (470, 358174), (530, 317626), (545, 308884), (620, 271519), (940, 179087), (1060, 158813), (1090, 154442), (1457, 115540), (1643, 102460), (2180, 77221), (2491, 67580), (2914, 57770), (3286, 51230), (3379, 49820), (4982, 33790), (5123, 32860), (5777, 29140), (5828, 28885), (6572, 25615), (6758, 24910), (7285, 23108), (8215, 20492), (9964, 16895), (10246, 16430), (11554, 14570), (12455, 13516)]