1900569780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:898

約数の個数: 144

約数和(自身を含む): 5864498640

約数和(自身を除く): 3963928860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 157, 180, 218, 314, 327, 436, 471, 545, 617, 628, 654, 785, 942, 981, 1090, 1234, 1308, 1413, 1570, 1635, 1851, 1884, 1962, 2180, 2355, 2468, 2826, 3085, 3140, 3270, 3702, 3924, 4710, 4905, 5553, 5652, 6170, 6540, 7065, 7404, 9255, 9420, 9810, 11106, 12340, 14130, 17113, 18510, 19620, 22212, 27765, 28260, 34226, 37020, 51339, 55530, 67253, 68452, 85565, 96869, 102678, 111060, 134506, 154017, 171130, 193738, 201759, 205356, 256695, 269012, 290607, 308034, 336265, 342260, 387476, 403518, 484345, 513390, 581214, 605277, 616068, 672530, 770085, 807036, 871821, 968690, 1008795, 1026780, 1162428, 1210554, 1345060, 1453035, 1540170, 1743642, 1937380, 2017590, 2421108, 2906070, 3026385, 3080340, 3487284, 4035180, 4359105, 5812140, 6052770, 8718210, 10558721, 12105540, 17436420, 21117442, 31676163, 42234884, 52793605, 63352326, 95028489, 105587210, 126704652, 158380815, 190056978, 211174420, 316761630, 380113956, 475142445, 633523260, 950284890, 1900569780]

約数ペア:

[(1, 1900569780), (2, 950284890), (3, 633523260), (4, 475142445), (5, 380113956), (6, 316761630), (9, 211174420), (10, 190056978), (12, 158380815), (15, 126704652), (18, 105587210), (20, 95028489), (30, 63352326), (36, 52793605), (45, 42234884), (60, 31676163), (90, 21117442), (109, 17436420), (157, 12105540), (180, 10558721), (218, 8718210), (314, 6052770), (327, 5812140), (436, 4359105), (471, 4035180), (545, 3487284), (617, 3080340), (628, 3026385), (654, 2906070), (785, 2421108), (942, 2017590), (981, 1937380), (1090, 1743642), (1234, 1540170), (1308, 1453035), (1413, 1345060), (1570, 1210554), (1635, 1162428), (1851, 1026780), (1884, 1008795), (1962, 968690), (2180, 871821), (2355, 807036), (2468, 770085), (2826, 672530), (3085, 616068), (3140, 605277), (3270, 581214), (3702, 513390), (3924, 484345), (4710, 403518), (4905, 387476), (5553, 342260), (5652, 336265), (6170, 308034), (6540, 290607), (7065, 269012), (7404, 256695), (9255, 205356), (9420, 201759), (9810, 193738), (11106, 171130), (12340, 154017), (14130, 134506), (17113, 111060), (18510, 102678), (19620, 96869), (22212, 85565), (27765, 68452), (28260, 67253), (34226, 55530), (37020, 51339)]