20778855540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1\times {\mathrm{977}}^1$

素因数の和:1754

約数の個数: 192

約数和(自身を含む): 63881395200

約数和(自身を除く): 43102539660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 719, 870, 977, 986, 1020, 1438, 1479, 1740, 1954, 1972, 2157, 2465, 2876, 2931, 2958, 3595, 3908, 4314, 4885, 4930, 5862, 5916, 7190, 7395, 8628, 9770, 9860, 10785, 11724, 12223, 14380, 14655, 14790, 16609, 19540, 20851, 21570, 24446, 28333, 29310, 29580, 33218, 36669, 41702, 43140, 48892, 49827, 56666, 58620, 61115, 62553, 66436, 73338, 83045, 83404, 84999, 99654, 104255, 113332, 122230, 125106, 141665, 146676, 166090, 169998, 183345, 199308, 208510, 244460, 249135, 250212, 283330, 312765, 332180, 339996, 354467, 366690, 417020, 424995, 481661, 498270, 566660, 625530, 702463, 708934, 733380, 849990, 963322, 996540, 1063401, 1251060, 1404926, 1417868, 1444983, 1699980, 1772335, 1926644, 2107389, 2126802, 2408305, 2809852, 2889966, 3512315, 3544670, 4214778, 4253604, 4816610, 5317005, 5779932, 7024630, 7089340, 7224915, 8429556, 9633220, 10536945, 10634010, 11941871, 14049260, 14449830, 20371427, 21073890, 21268020, 23883742, 28899660, 35825613, 40742854, 42147780, 47767484, 59709355, 61114281, 71651226, 81485708, 101857135, 119418710, 122228562, 143302452, 179128065, 203714270, 238837420, 244457124, 305571405, 346314259, 358256130, 407428540, 611142810, 692628518, 716512260, 1038942777, 1222285620, 1385257036, 1731571295, 2077885554, 3463142590, 4155771108, 5194713885, 6926285180, 10389427770, 20778855540]

約数ペア:

[(1, 20778855540), (2, 10389427770), (3, 6926285180), (4, 5194713885), (5, 4155771108), (6, 3463142590), (10, 2077885554), (12, 1731571295), (15, 1385257036), (17, 1222285620), (20, 1038942777), (29, 716512260), (30, 692628518), (34, 611142810), (51, 407428540), (58, 358256130), (60, 346314259), (68, 305571405), (85, 244457124), (87, 238837420), (102, 203714270), (116, 179128065), (145, 143302452), (170, 122228562), (174, 119418710), (204, 101857135), (255, 81485708), (290, 71651226), (340, 61114281), (348, 59709355), (435, 47767484), (493, 42147780), (510, 40742854), (580, 35825613), (719, 28899660), (870, 23883742), (977, 21268020), (986, 21073890), (1020, 20371427), (1438, 14449830), (1479, 14049260), (1740, 11941871), (1954, 10634010), (1972, 10536945), (2157, 9633220), (2465, 8429556), (2876, 7224915), (2931, 7089340), (2958, 7024630), (3595, 5779932), (3908, 5317005), (4314, 4816610), (4885, 4253604), (4930, 4214778), (5862, 3544670), (5916, 3512315), (7190, 2889966), (7395, 2809852), (8628, 2408305), (9770, 2126802), (9860, 2107389), (10785, 1926644), (11724, 1772335), (12223, 1699980), (14380, 1444983), (14655, 1417868), (14790, 1404926), (16609, 1251060), (19540, 1063401), (20851, 996540), (21570, 963322), (24446, 849990), (28333, 733380), (29310, 708934), (29580, 702463), (33218, 625530), (36669, 566660), (41702, 498270), (43140, 481661), (48892, 424995), (49827, 417020), (56666, 366690), (58620, 354467), (61115, 339996), (62553, 332180), (66436, 312765), (73338, 283330), (83045, 250212), (83404, 249135), (84999, 244460), (99654, 208510), (104255, 199308), (113332, 183345), (122230, 169998), (125106, 166090), (141665, 146676)]