28766010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 87381504

約数和(自身を除く): 58615494

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 41, 42, 65, 70, 78, 82, 91, 105, 123, 130, 182, 195, 205, 210, 246, 257, 273, 287, 390, 410, 455, 514, 533, 546, 574, 615, 771, 861, 910, 1066, 1230, 1285, 1365, 1435, 1542, 1599, 1722, 1799, 2570, 2665, 2730, 2870, 3198, 3341, 3598, 3731, 3855, 4305, 5330, 5397, 6682, 7462, 7710, 7995, 8610, 8995, 10023, 10537, 10794, 11193, 15990, 16705, 17990, 18655, 20046, 21074, 22386, 23387, 26985, 31611, 33410, 37310, 46774, 50115, 52685, 53970, 55965, 63222, 70161, 73759, 100230, 105370, 111930, 116935, 136981, 140322, 147518, 158055, 221277, 233870, 273962, 316110, 350805, 368795, 410943, 442554, 684905, 701610, 737590, 821886, 958867, 1106385, 1369810, 1917734, 2054715, 2212770, 2876601, 4109430, 4794335, 5753202, 9588670, 14383005, 28766010]

約数ペア:

[(1, 28766010), (2, 14383005), (3, 9588670), (5, 5753202), (6, 4794335), (7, 4109430), (10, 2876601), (13, 2212770), (14, 2054715), (15, 1917734), (21, 1369810), (26, 1106385), (30, 958867), (35, 821886), (39, 737590), (41, 701610), (42, 684905), (65, 442554), (70, 410943), (78, 368795), (82, 350805), (91, 316110), (105, 273962), (123, 233870), (130, 221277), (182, 158055), (195, 147518), (205, 140322), (210, 136981), (246, 116935), (257, 111930), (273, 105370), (287, 100230), (390, 73759), (410, 70161), (455, 63222), (514, 55965), (533, 53970), (546, 52685), (574, 50115), (615, 46774), (771, 37310), (861, 33410), (910, 31611), (1066, 26985), (1230, 23387), (1285, 22386), (1365, 21074), (1435, 20046), (1542, 18655), (1599, 17990), (1722, 16705), (1799, 15990), (2570, 11193), (2665, 10794), (2730, 10537), (2870, 10023), (3198, 8995), (3341, 8610), (3598, 7995), (3731, 7710), (3855, 7462), (4305, 6682), (5330, 5397)]