321855516

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 907146240

約数和(自身を除く): 585290724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 43, 57, 62, 76, 86, 93, 114, 124, 129, 171, 172, 186, 228, 258, 279, 342, 353, 372, 387, 516, 558, 589, 684, 706, 774, 817, 1059, 1116, 1178, 1333, 1412, 1548, 1634, 1767, 2118, 2356, 2451, 2666, 3177, 3268, 3534, 3999, 4236, 4902, 5301, 5332, 6354, 6707, 7068, 7353, 7998, 9804, 10602, 10943, 11997, 12708, 13414, 14706, 15179, 15996, 20121, 21204, 21886, 23994, 25327, 26828, 29412, 30358, 32829, 40242, 43772, 45537, 47988, 50654, 60363, 60716, 65658, 75981, 80484, 91074, 98487, 101308, 120726, 131316, 136611, 151962, 182148, 196974, 207917, 227943, 241452, 273222, 288401, 303924, 393948, 415834, 455886, 470549, 546444, 576802, 623751, 831668, 865203, 911772, 941098, 1153604, 1247502, 1411647, 1730406, 1871253, 1882196, 2495004, 2595609, 2823294, 3460812, 3742506, 4234941, 5191218, 5646588, 7485012, 8469882, 8940431, 10382436, 16939764, 17880862, 26821293, 35761724, 53642586, 80463879, 107285172, 160927758, 321855516]

約数ペア:

[(1, 321855516), (2, 160927758), (3, 107285172), (4, 80463879), (6, 53642586), (9, 35761724), (12, 26821293), (18, 17880862), (19, 16939764), (31, 10382436), (36, 8940431), (38, 8469882), (43, 7485012), (57, 5646588), (62, 5191218), (76, 4234941), (86, 3742506), (93, 3460812), (114, 2823294), (124, 2595609), (129, 2495004), (171, 1882196), (172, 1871253), (186, 1730406), (228, 1411647), (258, 1247502), (279, 1153604), (342, 941098), (353, 911772), (372, 865203), (387, 831668), (516, 623751), (558, 576802), (589, 546444), (684, 470549), (706, 455886), (774, 415834), (817, 393948), (1059, 303924), (1116, 288401), (1178, 273222), (1333, 241452), (1412, 227943), (1548, 207917), (1634, 196974), (1767, 182148), (2118, 151962), (2356, 136611), (2451, 131316), (2666, 120726), (3177, 101308), (3268, 98487), (3534, 91074), (3999, 80484), (4236, 75981), (4902, 65658), (5301, 60716), (5332, 60363), (6354, 50654), (6707, 47988), (7068, 45537), (7353, 43772), (7998, 40242), (9804, 32829), (10602, 30358), (10943, 29412), (11997, 26828), (12708, 25327), (13414, 23994), (14706, 21886), (15179, 21204), (15996, 20121)]