68236980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 192

約数和(自身を含む): 243855360

約数和(自身を除く): 175618380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 503, 510, 532, 570, 595, 646, 665, 714, 798, 969, 1006, 1020, 1140, 1190, 1292, 1330, 1428, 1509, 1596, 1615, 1785, 1938, 1995, 2012, 2261, 2380, 2515, 2660, 3018, 3230, 3521, 3570, 3876, 3990, 4522, 4845, 5030, 6036, 6460, 6783, 7042, 7140, 7545, 7980, 8551, 9044, 9557, 9690, 10060, 10563, 11305, 13566, 14084, 15090, 17102, 17605, 19114, 19380, 21126, 22610, 25653, 27132, 28671, 30180, 33915, 34204, 35210, 38228, 42252, 42755, 45220, 47785, 51306, 52815, 57342, 59857, 66899, 67830, 70420, 85510, 95570, 102612, 105630, 114684, 119714, 128265, 133798, 135660, 143355, 162469, 171020, 179571, 191140, 200697, 211260, 239428, 256530, 267596, 286710, 299285, 324938, 334495, 359142, 401394, 487407, 513060, 573420, 598570, 649876, 668990, 718284, 802788, 812345, 897855, 974814, 1003485, 1137283, 1197140, 1337980, 1624690, 1795710, 1949628, 2006970, 2274566, 2437035, 3249380, 3411849, 3591420, 4013940, 4549132, 4874070, 5686415, 6823698, 9748140, 11372830, 13647396, 17059245, 22745660, 34118490, 68236980]

約数ペア:

[(1, 68236980), (2, 34118490), (3, 22745660), (4, 17059245), (5, 13647396), (6, 11372830), (7, 9748140), (10, 6823698), (12, 5686415), (14, 4874070), (15, 4549132), (17, 4013940), (19, 3591420), (20, 3411849), (21, 3249380), (28, 2437035), (30, 2274566), (34, 2006970), (35, 1949628), (38, 1795710), (42, 1624690), (51, 1337980), (57, 1197140), (60, 1137283), (68, 1003485), (70, 974814), (76, 897855), (84, 812345), (85, 802788), (95, 718284), (102, 668990), (105, 649876), (114, 598570), (119, 573420), (133, 513060), (140, 487407), (170, 401394), (190, 359142), (204, 334495), (210, 324938), (228, 299285), (238, 286710), (255, 267596), (266, 256530), (285, 239428), (323, 211260), (340, 200697), (357, 191140), (380, 179571), (399, 171020), (420, 162469), (476, 143355), (503, 135660), (510, 133798), (532, 128265), (570, 119714), (595, 114684), (646, 105630), (665, 102612), (714, 95570), (798, 85510), (969, 70420), (1006, 67830), (1020, 66899), (1140, 59857), (1190, 57342), (1292, 52815), (1330, 51306), (1428, 47785), (1509, 45220), (1596, 42755), (1615, 42252), (1785, 38228), (1938, 35210), (1995, 34204), (2012, 33915), (2261, 30180), (2380, 28671), (2515, 27132), (2660, 25653), (3018, 22610), (3230, 21126), (3521, 19380), (3570, 19114), (3876, 17605), (3990, 17102), (4522, 15090), (4845, 14084), (5030, 13566), (6036, 11305), (6460, 10563), (6783, 10060), (7042, 9690), (7140, 9557), (7545, 9044), (7980, 8551)]