128643390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:919

約数の個数: 80

約数和(自身を含む): 347870160

約数和(自身を除く): 219226770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 241, 270, 405, 482, 659, 723, 810, 1205, 1318, 1446, 1977, 2169, 2410, 3295, 3615, 3954, 4338, 5931, 6507, 6590, 7230, 9885, 10845, 11862, 13014, 17793, 19521, 19770, 21690, 29655, 32535, 35586, 39042, 53379, 59310, 65070, 88965, 97605, 106758, 158819, 177930, 195210, 266895, 317638, 476457, 533790, 794095, 952914, 1429371, 1588190, 2382285, 2858742, 4288113, 4764570, 7146855, 8576226, 12864339, 14293710, 21440565, 25728678, 42881130, 64321695, 128643390]

約数ペア:

[(1, 128643390), (2, 64321695), (3, 42881130), (5, 25728678), (6, 21440565), (9, 14293710), (10, 12864339), (15, 8576226), (18, 7146855), (27, 4764570), (30, 4288113), (45, 2858742), (54, 2382285), (81, 1588190), (90, 1429371), (135, 952914), (162, 794095), (241, 533790), (270, 476457), (405, 317638), (482, 266895), (659, 195210), (723, 177930), (810, 158819), (1205, 106758), (1318, 97605), (1446, 88965), (1977, 65070), (2169, 59310), (2410, 53379), (3295, 39042), (3615, 35586), (3954, 32535), (4338, 29655), (5931, 21690), (6507, 19770), (6590, 19521), (7230, 17793), (9885, 13014), (10845, 11862)]