280055790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 192

約数和(自身を含む): 894965760

約数和(自身を除く): 614909970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 79, 85, 90, 102, 105, 119, 126, 153, 158, 170, 210, 237, 238, 255, 306, 315, 331, 357, 395, 474, 510, 553, 595, 630, 662, 711, 714, 765, 790, 993, 1071, 1106, 1185, 1190, 1343, 1422, 1530, 1655, 1659, 1785, 1986, 2142, 2317, 2370, 2686, 2765, 2979, 3310, 3318, 3555, 3570, 4029, 4634, 4965, 4977, 5355, 5530, 5627, 5958, 6715, 6951, 7110, 8058, 8295, 9401, 9930, 9954, 10710, 11254, 11585, 12087, 13430, 13902, 14895, 16590, 16881, 18802, 20145, 20853, 23170, 24174, 24885, 26149, 28135, 28203, 29790, 33762, 34755, 39389, 40290, 41706, 47005, 49770, 50643, 52298, 56270, 56406, 60435, 69510, 78447, 78778, 84405, 84609, 94010, 101286, 104265, 118167, 120870, 130745, 141015, 156894, 168810, 169218, 183043, 196945, 208530, 235341, 236334, 253215, 261490, 282030, 354501, 366086, 392235, 393890, 423045, 444533, 470682, 506430, 549129, 590835, 709002, 784470, 846090, 889066, 915215, 1098258, 1176705, 1181670, 1333599, 1647387, 1772505, 1830430, 2222665, 2353410, 2667198, 2745645, 3111731, 3294774, 3545010, 4000797, 4445330, 5491290, 6223462, 6667995, 8001594, 8236935, 9335193, 13335990, 15558655, 16473870, 18670386, 20003985, 28005579, 31117310, 40007970, 46675965, 56011158, 93351930, 140027895, 280055790]

約数ペア:

[(1, 280055790), (2, 140027895), (3, 93351930), (5, 56011158), (6, 46675965), (7, 40007970), (9, 31117310), (10, 28005579), (14, 20003985), (15, 18670386), (17, 16473870), (18, 15558655), (21, 13335990), (30, 9335193), (34, 8236935), (35, 8001594), (42, 6667995), (45, 6223462), (51, 5491290), (63, 4445330), (70, 4000797), (79, 3545010), (85, 3294774), (90, 3111731), (102, 2745645), (105, 2667198), (119, 2353410), (126, 2222665), (153, 1830430), (158, 1772505), (170, 1647387), (210, 1333599), (237, 1181670), (238, 1176705), (255, 1098258), (306, 915215), (315, 889066), (331, 846090), (357, 784470), (395, 709002), (474, 590835), (510, 549129), (553, 506430), (595, 470682), (630, 444533), (662, 423045), (711, 393890), (714, 392235), (765, 366086), (790, 354501), (993, 282030), (1071, 261490), (1106, 253215), (1185, 236334), (1190, 235341), (1343, 208530), (1422, 196945), (1530, 183043), (1655, 169218), (1659, 168810), (1785, 156894), (1986, 141015), (2142, 130745), (2317, 120870), (2370, 118167), (2686, 104265), (2765, 101286), (2979, 94010), (3310, 84609), (3318, 84405), (3555, 78778), (3570, 78447), (4029, 69510), (4634, 60435), (4965, 56406), (4977, 56270), (5355, 52298), (5530, 50643), (5627, 49770), (5958, 47005), (6715, 41706), (6951, 40290), (7110, 39389), (8058, 34755), (8295, 33762), (9401, 29790), (9930, 28203), (9954, 28135), (10710, 26149), (11254, 24885), (11585, 24174), (12087, 23170), (13430, 20853), (13902, 20145), (14895, 18802), (16590, 16881)]