689318910

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2080

約数の個数: 160

約数和(自身を含む): 2154094272

約数和(自身を除く): 1464775362

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 81, 90, 105, 122, 126, 135, 162, 183, 189, 210, 270, 305, 315, 366, 378, 405, 427, 549, 567, 610, 630, 810, 854, 915, 945, 1098, 1134, 1281, 1647, 1830, 1890, 1993, 2135, 2562, 2745, 2835, 3294, 3843, 3986, 4270, 4941, 5490, 5670, 5979, 6405, 7686, 8235, 9882, 9965, 11529, 11958, 12810, 13951, 16470, 17937, 19215, 19930, 23058, 24705, 27902, 29895, 34587, 35874, 38430, 41853, 49410, 53811, 57645, 59790, 69174, 69755, 83706, 89685, 107622, 115290, 121573, 125559, 139510, 161433, 172935, 179370, 209265, 243146, 251118, 269055, 322866, 345870, 364719, 376677, 418530, 538110, 607865, 627795, 729438, 753354, 807165, 851011, 1094157, 1130031, 1215730, 1255590, 1614330, 1702022, 1823595, 1883385, 2188314, 2260062, 2553033, 3282471, 3647190, 3766770, 4255055, 5106066, 5470785, 5650155, 6564942, 7659099, 8510110, 9847413, 10941570, 11300310, 12765165, 15318198, 16412355, 19694826, 22977297, 25530330, 32824710, 38295495, 45954594, 49237065, 68931891, 76590990, 98474130, 114886485, 137863782, 229772970, 344659455, 689318910]

約数ペア:

[(1, 689318910), (2, 344659455), (3, 229772970), (5, 137863782), (6, 114886485), (7, 98474130), (9, 76590990), (10, 68931891), (14, 49237065), (15, 45954594), (18, 38295495), (21, 32824710), (27, 25530330), (30, 22977297), (35, 19694826), (42, 16412355), (45, 15318198), (54, 12765165), (61, 11300310), (63, 10941570), (70, 9847413), (81, 8510110), (90, 7659099), (105, 6564942), (122, 5650155), (126, 5470785), (135, 5106066), (162, 4255055), (183, 3766770), (189, 3647190), (210, 3282471), (270, 2553033), (305, 2260062), (315, 2188314), (366, 1883385), (378, 1823595), (405, 1702022), (427, 1614330), (549, 1255590), (567, 1215730), (610, 1130031), (630, 1094157), (810, 851011), (854, 807165), (915, 753354), (945, 729438), (1098, 627795), (1134, 607865), (1281, 538110), (1647, 418530), (1830, 376677), (1890, 364719), (1993, 345870), (2135, 322866), (2562, 269055), (2745, 251118), (2835, 243146), (3294, 209265), (3843, 179370), (3986, 172935), (4270, 161433), (4941, 139510), (5490, 125559), (5670, 121573), (5979, 115290), (6405, 107622), (7686, 89685), (8235, 83706), (9882, 69755), (9965, 69174), (11529, 59790), (11958, 57645), (12810, 53811), (13951, 49410), (16470, 41853), (17937, 38430), (19215, 35874), (19930, 34587), (23058, 29895), (24705, 27902)]