1221984090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 3363171840

約数和(自身を除く): 2141187750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 167, 205, 246, 270, 334, 369, 410, 501, 615, 661, 738, 835, 1002, 1107, 1230, 1322, 1503, 1670, 1845, 1983, 2214, 2505, 3006, 3305, 3690, 3966, 4509, 5010, 5535, 5949, 6610, 6847, 7515, 9018, 9915, 11070, 11898, 13694, 15030, 17847, 19830, 20541, 22545, 27101, 29745, 34235, 35694, 41082, 45090, 54202, 59490, 61623, 68470, 81303, 89235, 102705, 110387, 123246, 135505, 162606, 178470, 184869, 205410, 220774, 243909, 271010, 308115, 331161, 369738, 406515, 487818, 551935, 616230, 662322, 731727, 813030, 924345, 993483, 1103870, 1219545, 1463454, 1655805, 1848690, 1986966, 2439090, 2980449, 3311610, 3658635, 4525867, 4967415, 5960898, 7317270, 9051734, 9934830, 13577601, 14902245, 22629335, 27155202, 29804490, 40732803, 45258670, 67888005, 81465606, 122198409, 135776010, 203664015, 244396818, 407328030, 610992045, 1221984090]

約数ペア:

[(1, 1221984090), (2, 610992045), (3, 407328030), (5, 244396818), (6, 203664015), (9, 135776010), (10, 122198409), (15, 81465606), (18, 67888005), (27, 45258670), (30, 40732803), (41, 29804490), (45, 27155202), (54, 22629335), (82, 14902245), (90, 13577601), (123, 9934830), (135, 9051734), (167, 7317270), (205, 5960898), (246, 4967415), (270, 4525867), (334, 3658635), (369, 3311610), (410, 2980449), (501, 2439090), (615, 1986966), (661, 1848690), (738, 1655805), (835, 1463454), (1002, 1219545), (1107, 1103870), (1230, 993483), (1322, 924345), (1503, 813030), (1670, 731727), (1845, 662322), (1983, 616230), (2214, 551935), (2505, 487818), (3006, 406515), (3305, 369738), (3690, 331161), (3966, 308115), (4509, 271010), (5010, 243909), (5535, 220774), (5949, 205410), (6610, 184869), (6847, 178470), (7515, 162606), (9018, 135505), (9915, 123246), (11070, 110387), (11898, 102705), (13694, 89235), (15030, 81303), (17847, 68470), (19830, 61623), (20541, 59490), (22545, 54202), (27101, 45090), (29745, 41082), (34235, 35694)]