161209260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 513021600

約数和(自身を除く): 351812340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 89, 90, 116, 145, 174, 178, 180, 261, 267, 290, 347, 348, 356, 435, 445, 522, 534, 580, 694, 801, 870, 890, 1041, 1044, 1068, 1305, 1335, 1388, 1602, 1735, 1740, 1780, 2082, 2581, 2610, 2670, 3123, 3204, 3470, 4005, 4164, 5162, 5205, 5220, 5340, 6246, 6940, 7743, 8010, 10063, 10324, 10410, 12492, 12905, 15486, 15615, 16020, 20126, 20820, 23229, 25810, 30189, 30883, 30972, 31230, 38715, 40252, 46458, 50315, 51620, 60378, 61766, 62460, 77430, 90567, 92649, 92916, 100630, 116145, 120756, 123532, 150945, 154415, 154860, 181134, 185298, 201260, 232290, 277947, 301890, 308830, 362268, 370596, 452835, 463245, 464580, 555894, 603780, 617660, 895607, 905670, 926490, 1111788, 1389735, 1791214, 1811340, 1852980, 2686821, 2779470, 3582428, 4478035, 5373642, 5558940, 8060463, 8956070, 10747284, 13434105, 16120926, 17912140, 26868210, 32241852, 40302315, 53736420, 80604630, 161209260]

約数ペア:

[(1, 161209260), (2, 80604630), (3, 53736420), (4, 40302315), (5, 32241852), (6, 26868210), (9, 17912140), (10, 16120926), (12, 13434105), (15, 10747284), (18, 8956070), (20, 8060463), (29, 5558940), (30, 5373642), (36, 4478035), (45, 3582428), (58, 2779470), (60, 2686821), (87, 1852980), (89, 1811340), (90, 1791214), (116, 1389735), (145, 1111788), (174, 926490), (178, 905670), (180, 895607), (261, 617660), (267, 603780), (290, 555894), (347, 464580), (348, 463245), (356, 452835), (435, 370596), (445, 362268), (522, 308830), (534, 301890), (580, 277947), (694, 232290), (801, 201260), (870, 185298), (890, 181134), (1041, 154860), (1044, 154415), (1068, 150945), (1305, 123532), (1335, 120756), (1388, 116145), (1602, 100630), (1735, 92916), (1740, 92649), (1780, 90567), (2082, 77430), (2581, 62460), (2610, 61766), (2670, 60378), (3123, 51620), (3204, 50315), (3470, 46458), (4005, 40252), (4164, 38715), (5162, 31230), (5205, 30972), (5220, 30883), (5340, 30189), (6246, 25810), (6940, 23229), (7743, 20820), (8010, 20126), (10063, 16020), (10324, 15615), (10410, 15486), (12492, 12905)]