72721170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 212621760

約数和(自身を除く): 139900590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 30, 38, 43, 45, 46, 57, 69, 86, 90, 95, 114, 115, 129, 138, 171, 190, 207, 215, 230, 258, 285, 342, 345, 387, 414, 430, 437, 570, 645, 690, 774, 817, 855, 874, 989, 1035, 1290, 1311, 1634, 1710, 1849, 1935, 1978, 2070, 2185, 2451, 2622, 2967, 3698, 3870, 3933, 4085, 4370, 4902, 4945, 5547, 5934, 6555, 7353, 7866, 8170, 8901, 9245, 9890, 11094, 12255, 13110, 14706, 14835, 16641, 17802, 18490, 18791, 19665, 24510, 27735, 29670, 33282, 35131, 36765, 37582, 39330, 42527, 44505, 55470, 56373, 70262, 73530, 83205, 85054, 89010, 93955, 105393, 112746, 127581, 166410, 169119, 175655, 187910, 210786, 212635, 255162, 281865, 316179, 338238, 351310, 382743, 425270, 526965, 563730, 632358, 637905, 765486, 808013, 845595, 1053930, 1275810, 1580895, 1616026, 1691190, 1913715, 2424039, 3161790, 3827430, 4040065, 4848078, 7272117, 8080130, 12120195, 14544234, 24240390, 36360585, 72721170]

約数ペア:

[(1, 72721170), (2, 36360585), (3, 24240390), (5, 14544234), (6, 12120195), (9, 8080130), (10, 7272117), (15, 4848078), (18, 4040065), (19, 3827430), (23, 3161790), (30, 2424039), (38, 1913715), (43, 1691190), (45, 1616026), (46, 1580895), (57, 1275810), (69, 1053930), (86, 845595), (90, 808013), (95, 765486), (114, 637905), (115, 632358), (129, 563730), (138, 526965), (171, 425270), (190, 382743), (207, 351310), (215, 338238), (230, 316179), (258, 281865), (285, 255162), (342, 212635), (345, 210786), (387, 187910), (414, 175655), (430, 169119), (437, 166410), (570, 127581), (645, 112746), (690, 105393), (774, 93955), (817, 89010), (855, 85054), (874, 83205), (989, 73530), (1035, 70262), (1290, 56373), (1311, 55470), (1634, 44505), (1710, 42527), (1849, 39330), (1935, 37582), (1978, 36765), (2070, 35131), (2185, 33282), (2451, 29670), (2622, 27735), (2967, 24510), (3698, 19665), (3870, 18791), (3933, 18490), (4085, 17802), (4370, 16641), (4902, 14835), (4945, 14706), (5547, 13110), (5934, 12255), (6555, 11094), (7353, 9890), (7866, 9245), (8170, 8901)]