79703480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 127656520

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 124, 136, 152, 155, 170, 190, 199, 248, 310, 323, 340, 380, 398, 527, 589, 620, 646, 680, 760, 796, 995, 1054, 1178, 1240, 1292, 1592, 1615, 1990, 2108, 2356, 2584, 2635, 2945, 3230, 3383, 3781, 3980, 4216, 4712, 5270, 5890, 6169, 6460, 6766, 7562, 7960, 10013, 10540, 11780, 12338, 12920, 13532, 15124, 16915, 18905, 20026, 21080, 23560, 24676, 27064, 30248, 30845, 33830, 37810, 40052, 49352, 50065, 61690, 64277, 67660, 75620, 80104, 100130, 104873, 117211, 123380, 128554, 135320, 151240, 200260, 209746, 234422, 246760, 257108, 321385, 400520, 419492, 468844, 514216, 524365, 586055, 642770, 838984, 937688, 1048730, 1172110, 1285540, 1992587, 2097460, 2344220, 2571080, 3985174, 4194920, 4688440, 7970348, 9962935, 15940696, 19925870, 39851740, 79703480]

約数ペア:

[(1, 79703480), (2, 39851740), (4, 19925870), (5, 15940696), (8, 9962935), (10, 7970348), (17, 4688440), (19, 4194920), (20, 3985174), (31, 2571080), (34, 2344220), (38, 2097460), (40, 1992587), (62, 1285540), (68, 1172110), (76, 1048730), (85, 937688), (95, 838984), (124, 642770), (136, 586055), (152, 524365), (155, 514216), (170, 468844), (190, 419492), (199, 400520), (248, 321385), (310, 257108), (323, 246760), (340, 234422), (380, 209746), (398, 200260), (527, 151240), (589, 135320), (620, 128554), (646, 123380), (680, 117211), (760, 104873), (796, 100130), (995, 80104), (1054, 75620), (1178, 67660), (1240, 64277), (1292, 61690), (1592, 50065), (1615, 49352), (1990, 40052), (2108, 37810), (2356, 33830), (2584, 30845), (2635, 30248), (2945, 27064), (3230, 24676), (3383, 23560), (3781, 21080), (3980, 20026), (4216, 18905), (4712, 16915), (5270, 15124), (5890, 13532), (6169, 12920), (6460, 12338), (6766, 11780), (7562, 10540), (7960, 10013)]