688009980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 192

約数和(自身を含む): 2275660800

約数和(自身を除く): 1587650820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 294, 303, 331, 343, 404, 420, 490, 505, 588, 606, 662, 686, 707, 735, 980, 993, 1010, 1029, 1212, 1324, 1372, 1414, 1470, 1515, 1655, 1715, 1986, 2020, 2058, 2121, 2317, 2828, 2940, 3030, 3310, 3430, 3535, 3972, 4116, 4242, 4634, 4949, 4965, 5145, 6060, 6620, 6860, 6951, 7070, 8484, 9268, 9898, 9930, 10290, 10605, 11585, 13902, 14140, 14847, 16219, 19796, 19860, 20580, 21210, 23170, 24745, 27804, 29694, 32438, 33431, 34643, 34755, 42420, 46340, 48657, 49490, 59388, 64876, 66862, 69286, 69510, 74235, 81095, 97314, 98980, 100293, 103929, 113533, 133724, 138572, 139020, 148470, 162190, 167155, 173215, 194628, 200586, 207858, 227066, 234017, 243285, 296940, 324380, 334310, 340599, 346430, 401172, 415716, 454132, 468034, 486570, 501465, 519645, 567665, 668620, 681198, 692860, 702051, 936068, 973140, 1002930, 1039290, 1135330, 1170085, 1362396, 1404102, 1638119, 1702995, 2005860, 2078580, 2270660, 2340170, 2808204, 3276238, 3405990, 3510255, 4680340, 4914357, 6552476, 6811980, 7020510, 8190595, 9828714, 11466833, 14041020, 16381190, 19657428, 22933666, 24571785, 32762380, 34400499, 45867332, 49143570, 57334165, 68800998, 98287140, 114668330, 137601996, 172002495, 229336660, 344004990, 688009980]

約数ペア:

[(1, 688009980), (2, 344004990), (3, 229336660), (4, 172002495), (5, 137601996), (6, 114668330), (7, 98287140), (10, 68800998), (12, 57334165), (14, 49143570), (15, 45867332), (20, 34400499), (21, 32762380), (28, 24571785), (30, 22933666), (35, 19657428), (42, 16381190), (49, 14041020), (60, 11466833), (70, 9828714), (84, 8190595), (98, 7020510), (101, 6811980), (105, 6552476), (140, 4914357), (147, 4680340), (196, 3510255), (202, 3405990), (210, 3276238), (245, 2808204), (294, 2340170), (303, 2270660), (331, 2078580), (343, 2005860), (404, 1702995), (420, 1638119), (490, 1404102), (505, 1362396), (588, 1170085), (606, 1135330), (662, 1039290), (686, 1002930), (707, 973140), (735, 936068), (980, 702051), (993, 692860), (1010, 681198), (1029, 668620), (1212, 567665), (1324, 519645), (1372, 501465), (1414, 486570), (1470, 468034), (1515, 454132), (1655, 415716), (1715, 401172), (1986, 346430), (2020, 340599), (2058, 334310), (2121, 324380), (2317, 296940), (2828, 243285), (2940, 234017), (3030, 227066), (3310, 207858), (3430, 200586), (3535, 194628), (3972, 173215), (4116, 167155), (4242, 162190), (4634, 148470), (4949, 139020), (4965, 138572), (5145, 133724), (6060, 113533), (6620, 103929), (6860, 100293), (6951, 98980), (7070, 97314), (8484, 81095), (9268, 74235), (9898, 69510), (9930, 69286), (10290, 66862), (10605, 64876), (11585, 59388), (13902, 49490), (14140, 48657), (14847, 46340), (16219, 42420), (19796, 34755), (19860, 34643), (20580, 33431), (21210, 32438), (23170, 29694), (24745, 27804)]