68988240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 256382400

約数和(自身を除く): 187394160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 41, 45, 48, 54, 57, 60, 72, 76, 80, 82, 90, 95, 108, 114, 120, 123, 135, 144, 152, 164, 171, 180, 190, 205, 216, 228, 240, 246, 270, 285, 304, 328, 342, 360, 369, 380, 410, 432, 456, 492, 513, 540, 570, 615, 656, 684, 720, 738, 760, 779, 820, 855, 912, 984, 1026, 1080, 1107, 1140, 1230, 1368, 1476, 1520, 1558, 1640, 1681, 1710, 1845, 1968, 2052, 2160, 2214, 2280, 2337, 2460, 2565, 2736, 2952, 3116, 3280, 3362, 3420, 3690, 3895, 4104, 4428, 4560, 4674, 4920, 5043, 5130, 5535, 5904, 6232, 6724, 6840, 7011, 7380, 7790, 8208, 8405, 8856, 9348, 9840, 10086, 10260, 11070, 11685, 12464, 13448, 13680, 14022, 14760, 15129, 15580, 16810, 17712, 18696, 20172, 20520, 21033, 22140, 23370, 25215, 26896, 28044, 29520, 30258, 31160, 31939, 33620, 35055, 37392, 40344, 41040, 42066, 44280, 45387, 46740, 50430, 56088, 60516, 62320, 63878, 67240, 70110, 75645, 80688, 84132, 88560, 90774, 93480, 95817, 100860, 105165, 112176, 121032, 127756, 134480, 140220, 151290, 159695, 168264, 181548, 186960, 191634, 201720, 210330, 226935, 242064, 255512, 280440, 287451, 302580, 319390, 336528, 363096, 383268, 403440, 420660, 453870, 479085, 511024, 560880, 574902, 605160, 638780, 726192, 766536, 841320, 862353, 907740, 958170, 1149804, 1210320, 1277560, 1437255, 1533072, 1682640, 1724706, 1815480, 1916340, 2299608, 2555120, 2874510, 3449412, 3630960, 3832680, 4311765, 4599216, 5749020, 6898824, 7665360, 8623530, 11498040, 13797648, 17247060, 22996080, 34494120, 68988240]

約数ペア:

[(1, 68988240), (2, 34494120), (3, 22996080), (4, 17247060), (5, 13797648), (6, 11498040), (8, 8623530), (9, 7665360), (10, 6898824), (12, 5749020), (15, 4599216), (16, 4311765), (18, 3832680), (19, 3630960), (20, 3449412), (24, 2874510), (27, 2555120), (30, 2299608), (36, 1916340), (38, 1815480), (40, 1724706), (41, 1682640), (45, 1533072), (48, 1437255), (54, 1277560), (57, 1210320), (60, 1149804), (72, 958170), (76, 907740), (80, 862353), (82, 841320), (90, 766536), (95, 726192), (108, 638780), (114, 605160), (120, 574902), (123, 560880), (135, 511024), (144, 479085), (152, 453870), (164, 420660), (171, 403440), (180, 383268), (190, 363096), (205, 336528), (216, 319390), (228, 302580), (240, 287451), (246, 280440), (270, 255512), (285, 242064), (304, 226935), (328, 210330), (342, 201720), (360, 191634), (369, 186960), (380, 181548), (410, 168264), (432, 159695), (456, 151290), (492, 140220), (513, 134480), (540, 127756), (570, 121032), (615, 112176), (656, 105165), (684, 100860), (720, 95817), (738, 93480), (760, 90774), (779, 88560), (820, 84132), (855, 80688), (912, 75645), (984, 70110), (1026, 67240), (1080, 63878), (1107, 62320), (1140, 60516), (1230, 56088), (1368, 50430), (1476, 46740), (1520, 45387), (1558, 44280), (1640, 42066), (1681, 41040), (1710, 40344), (1845, 37392), (1968, 35055), (2052, 33620), (2160, 31939), (2214, 31160), (2280, 30258), (2337, 29520), (2460, 28044), (2565, 26896), (2736, 25215), (2952, 23370), (3116, 22140), (3280, 21033), (3362, 20520), (3420, 20172), (3690, 18696), (3895, 17712), (4104, 16810), (4428, 15580), (4560, 15129), (4674, 14760), (4920, 14022), (5043, 13680), (5130, 13448), (5535, 12464), (5904, 11685), (6232, 11070), (6724, 10260), (6840, 10086), (7011, 9840), (7380, 9348), (7790, 8856), (8208, 8405)]