28638090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 84672000

約数和(自身を除く): 56033910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 41, 45, 54, 65, 78, 82, 90, 117, 123, 130, 135, 195, 199, 205, 234, 246, 270, 351, 369, 390, 398, 410, 533, 585, 597, 615, 702, 738, 995, 1066, 1107, 1170, 1194, 1230, 1599, 1755, 1791, 1845, 1990, 2214, 2587, 2665, 2985, 3198, 3510, 3582, 3690, 4797, 5174, 5330, 5373, 5535, 5970, 7761, 7995, 8159, 8955, 9594, 10746, 11070, 12935, 14391, 15522, 15990, 16318, 17910, 23283, 23985, 24477, 25870, 26865, 28782, 38805, 40795, 46566, 47970, 48954, 53730, 69849, 71955, 73431, 77610, 81590, 106067, 116415, 122385, 139698, 143910, 146862, 212134, 220293, 232830, 244770, 318201, 349245, 367155, 440586, 530335, 636402, 698490, 734310, 954603, 1060670, 1101465, 1591005, 1909206, 2202930, 2863809, 3182010, 4773015, 5727618, 9546030, 14319045, 28638090]

約数ペア:

[(1, 28638090), (2, 14319045), (3, 9546030), (5, 5727618), (6, 4773015), (9, 3182010), (10, 2863809), (13, 2202930), (15, 1909206), (18, 1591005), (26, 1101465), (27, 1060670), (30, 954603), (39, 734310), (41, 698490), (45, 636402), (54, 530335), (65, 440586), (78, 367155), (82, 349245), (90, 318201), (117, 244770), (123, 232830), (130, 220293), (135, 212134), (195, 146862), (199, 143910), (205, 139698), (234, 122385), (246, 116415), (270, 106067), (351, 81590), (369, 77610), (390, 73431), (398, 71955), (410, 69849), (533, 53730), (585, 48954), (597, 47970), (615, 46566), (702, 40795), (738, 38805), (995, 28782), (1066, 26865), (1107, 25870), (1170, 24477), (1194, 23985), (1230, 23283), (1599, 17910), (1755, 16318), (1791, 15990), (1845, 15522), (1990, 14391), (2214, 12935), (2587, 11070), (2665, 10746), (2985, 9594), (3198, 8955), (3510, 8159), (3582, 7995), (3690, 7761), (4797, 5970), (5174, 5535), (5330, 5373)]