142705740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 409812480

約数和(自身を除く): 267106740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 139, 142, 213, 241, 278, 284, 355, 417, 426, 482, 556, 695, 710, 723, 834, 852, 964, 1065, 1205, 1390, 1420, 1446, 1668, 2085, 2130, 2410, 2780, 2892, 3615, 4170, 4260, 4820, 7230, 8340, 9869, 14460, 17111, 19738, 29607, 33499, 34222, 39476, 49345, 51333, 59214, 66998, 68444, 85555, 98690, 100497, 102666, 118428, 133996, 148035, 167495, 171110, 197380, 200994, 205332, 256665, 296070, 334990, 342220, 401988, 502485, 513330, 592140, 669980, 1004970, 1026660, 2009940, 2378429, 4756858, 7135287, 9513716, 11892145, 14270574, 23784290, 28541148, 35676435, 47568580, 71352870, 142705740]

約数ペア:

[(1, 142705740), (2, 71352870), (3, 47568580), (4, 35676435), (5, 28541148), (6, 23784290), (10, 14270574), (12, 11892145), (15, 9513716), (20, 7135287), (30, 4756858), (60, 2378429), (71, 2009940), (139, 1026660), (142, 1004970), (213, 669980), (241, 592140), (278, 513330), (284, 502485), (355, 401988), (417, 342220), (426, 334990), (482, 296070), (556, 256665), (695, 205332), (710, 200994), (723, 197380), (834, 171110), (852, 167495), (964, 148035), (1065, 133996), (1205, 118428), (1390, 102666), (1420, 100497), (1446, 98690), (1668, 85555), (2085, 68444), (2130, 66998), (2410, 59214), (2780, 51333), (2892, 49345), (3615, 39476), (4170, 34222), (4260, 33499), (4820, 29607), (7230, 19738), (8340, 17111), (9869, 14460)]