1289904360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{823}}^1$

素因数の和:1227

約数の個数: 128

約数和(自身を含む): 3990401280

約数和(自身を除く): 2700496920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 353, 370, 444, 555, 706, 740, 823, 888, 1059, 1110, 1412, 1480, 1646, 1765, 2118, 2220, 2469, 2824, 3292, 3530, 4115, 4236, 4440, 4938, 5295, 6584, 7060, 8230, 8472, 9876, 10590, 12345, 13061, 14120, 16460, 19752, 21180, 24690, 26122, 30451, 32920, 39183, 42360, 49380, 52244, 60902, 65305, 78366, 91353, 98760, 104488, 121804, 130610, 152255, 156732, 182706, 195915, 243608, 261220, 290519, 304510, 313464, 365412, 391830, 456765, 522440, 581038, 609020, 730824, 783660, 871557, 913530, 1162076, 1218040, 1452595, 1567320, 1743114, 1827060, 2324152, 2905190, 3486228, 3654120, 4357785, 5810380, 6972456, 8715570, 10749203, 11620760, 17431140, 21498406, 32247609, 34862280, 42996812, 53746015, 64495218, 85993624, 107492030, 128990436, 161238045, 214984060, 257980872, 322476090, 429968120, 644952180, 1289904360]

約数ペア:

[(1, 1289904360), (2, 644952180), (3, 429968120), (4, 322476090), (5, 257980872), (6, 214984060), (8, 161238045), (10, 128990436), (12, 107492030), (15, 85993624), (20, 64495218), (24, 53746015), (30, 42996812), (37, 34862280), (40, 32247609), (60, 21498406), (74, 17431140), (111, 11620760), (120, 10749203), (148, 8715570), (185, 6972456), (222, 5810380), (296, 4357785), (353, 3654120), (370, 3486228), (444, 2905190), (555, 2324152), (706, 1827060), (740, 1743114), (823, 1567320), (888, 1452595), (1059, 1218040), (1110, 1162076), (1412, 913530), (1480, 871557), (1646, 783660), (1765, 730824), (2118, 609020), (2220, 581038), (2469, 522440), (2824, 456765), (3292, 391830), (3530, 365412), (4115, 313464), (4236, 304510), (4440, 290519), (4938, 261220), (5295, 243608), (6584, 195915), (7060, 182706), (8230, 156732), (8472, 152255), (9876, 130610), (10590, 121804), (12345, 104488), (13061, 98760), (14120, 91353), (16460, 78366), (19752, 65305), (21180, 60902), (24690, 52244), (26122, 49380), (30451, 42360), (32920, 39183)]