68871390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 204180480

約数和(自身を除く): 135309090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 41, 42, 57, 70, 82, 95, 105, 114, 123, 133, 190, 205, 210, 246, 266, 285, 287, 399, 410, 421, 570, 574, 615, 665, 779, 798, 842, 861, 1230, 1263, 1330, 1435, 1558, 1722, 1995, 2105, 2337, 2526, 2870, 2947, 3895, 3990, 4210, 4305, 4674, 5453, 5894, 6315, 7790, 7999, 8610, 8841, 10906, 11685, 12630, 14735, 15998, 16359, 17261, 17682, 23370, 23997, 27265, 29470, 32718, 34522, 39995, 44205, 47994, 51783, 54530, 55993, 79990, 81795, 86305, 88410, 103566, 111986, 119985, 120827, 163590, 167979, 172610, 239970, 241654, 258915, 279965, 327959, 335958, 362481, 517830, 559930, 604135, 655918, 724962, 839895, 983877, 1208270, 1639795, 1679790, 1812405, 1967754, 2295713, 3279590, 3624810, 4591426, 4919385, 6887139, 9838770, 11478565, 13774278, 22957130, 34435695, 68871390]

約数ペア:

[(1, 68871390), (2, 34435695), (3, 22957130), (5, 13774278), (6, 11478565), (7, 9838770), (10, 6887139), (14, 4919385), (15, 4591426), (19, 3624810), (21, 3279590), (30, 2295713), (35, 1967754), (38, 1812405), (41, 1679790), (42, 1639795), (57, 1208270), (70, 983877), (82, 839895), (95, 724962), (105, 655918), (114, 604135), (123, 559930), (133, 517830), (190, 362481), (205, 335958), (210, 327959), (246, 279965), (266, 258915), (285, 241654), (287, 239970), (399, 172610), (410, 167979), (421, 163590), (570, 120827), (574, 119985), (615, 111986), (665, 103566), (779, 88410), (798, 86305), (842, 81795), (861, 79990), (1230, 55993), (1263, 54530), (1330, 51783), (1435, 47994), (1558, 44205), (1722, 39995), (1995, 34522), (2105, 32718), (2337, 29470), (2526, 27265), (2870, 23997), (2947, 23370), (3895, 17682), (3990, 17261), (4210, 16359), (4305, 15998), (4674, 14735), (5453, 12630), (5894, 11685), (6315, 10906), (7790, 8841), (7999, 8610)]