68846940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 224078400

約数和(自身を除く): 155231460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 151, 153, 170, 180, 204, 255, 298, 302, 306, 340, 447, 453, 510, 596, 604, 612, 745, 755, 765, 894, 906, 1020, 1341, 1359, 1490, 1510, 1530, 1788, 1812, 2235, 2265, 2533, 2567, 2682, 2718, 2980, 3020, 3060, 4470, 4530, 5066, 5134, 5364, 5436, 6705, 6795, 7599, 7701, 8940, 9060, 10132, 10268, 12665, 12835, 13410, 13590, 15198, 15402, 22499, 22797, 23103, 25330, 25670, 26820, 27180, 30396, 30804, 37995, 38505, 44998, 45594, 46206, 50660, 51340, 67497, 75990, 77010, 89996, 91188, 92412, 112495, 113985, 115515, 134994, 151980, 154020, 202491, 224990, 227970, 231030, 269988, 337485, 382483, 404982, 449980, 455940, 462060, 674970, 764966, 809964, 1012455, 1147449, 1349940, 1529932, 1912415, 2024910, 2294898, 3442347, 3824830, 4049820, 4589796, 5737245, 6884694, 7649660, 11474490, 13769388, 17211735, 22948980, 34423470, 68846940]

約数ペア:

[(1, 68846940), (2, 34423470), (3, 22948980), (4, 17211735), (5, 13769388), (6, 11474490), (9, 7649660), (10, 6884694), (12, 5737245), (15, 4589796), (17, 4049820), (18, 3824830), (20, 3442347), (30, 2294898), (34, 2024910), (36, 1912415), (45, 1529932), (51, 1349940), (60, 1147449), (68, 1012455), (85, 809964), (90, 764966), (102, 674970), (149, 462060), (151, 455940), (153, 449980), (170, 404982), (180, 382483), (204, 337485), (255, 269988), (298, 231030), (302, 227970), (306, 224990), (340, 202491), (447, 154020), (453, 151980), (510, 134994), (596, 115515), (604, 113985), (612, 112495), (745, 92412), (755, 91188), (765, 89996), (894, 77010), (906, 75990), (1020, 67497), (1341, 51340), (1359, 50660), (1490, 46206), (1510, 45594), (1530, 44998), (1788, 38505), (1812, 37995), (2235, 30804), (2265, 30396), (2533, 27180), (2567, 26820), (2682, 25670), (2718, 25330), (2980, 23103), (3020, 22797), (3060, 22499), (4470, 15402), (4530, 15198), (5066, 13590), (5134, 13410), (5364, 12835), (5436, 12665), (6705, 10268), (6795, 10132), (7599, 9060), (7701, 8940)]