1221301260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 3911846400

約数和(自身を除く): 2690545140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 139, 159, 180, 212, 265, 270, 278, 307, 318, 417, 477, 530, 540, 556, 614, 636, 695, 795, 834, 921, 954, 1060, 1228, 1251, 1390, 1431, 1535, 1590, 1668, 1842, 1908, 2085, 2385, 2502, 2763, 2780, 2862, 3070, 3180, 3684, 3753, 4170, 4605, 4770, 5004, 5526, 5724, 6140, 6255, 7155, 7367, 7506, 8289, 8340, 9210, 9540, 11052, 12510, 13815, 14310, 14734, 15012, 16271, 16578, 18420, 18765, 22101, 25020, 27630, 28620, 29468, 32542, 33156, 36835, 37530, 41445, 42673, 44202, 48813, 55260, 65084, 66303, 73670, 75060, 81355, 82890, 85346, 88404, 97626, 110505, 128019, 132606, 146439, 147340, 162710, 165780, 170692, 195252, 198909, 213365, 221010, 244065, 256038, 265212, 292878, 325420, 331515, 384057, 397818, 426730, 439317, 442020, 488130, 512076, 585756, 640095, 663030, 732195, 768114, 795636, 853460, 878634, 976260, 994545, 1152171, 1280190, 1326060, 1464390, 1536228, 1757268, 1920285, 1989090, 2196585, 2261669, 2304342, 2560380, 2928780, 3840570, 3978180, 4393170, 4523338, 4608684, 5760855, 6785007, 7681140, 8786340, 9046676, 11308345, 11521710, 13570014, 20355021, 22616690, 23043420, 27140028, 33925035, 40710042, 45233380, 61065063, 67850070, 81420084, 101775105, 122130126, 135700140, 203550210, 244260252, 305325315, 407100420, 610650630, 1221301260]

約数ペア:

[(1, 1221301260), (2, 610650630), (3, 407100420), (4, 305325315), (5, 244260252), (6, 203550210), (9, 135700140), (10, 122130126), (12, 101775105), (15, 81420084), (18, 67850070), (20, 61065063), (27, 45233380), (30, 40710042), (36, 33925035), (45, 27140028), (53, 23043420), (54, 22616690), (60, 20355021), (90, 13570014), (106, 11521710), (108, 11308345), (135, 9046676), (139, 8786340), (159, 7681140), (180, 6785007), (212, 5760855), (265, 4608684), (270, 4523338), (278, 4393170), (307, 3978180), (318, 3840570), (417, 2928780), (477, 2560380), (530, 2304342), (540, 2261669), (556, 2196585), (614, 1989090), (636, 1920285), (695, 1757268), (795, 1536228), (834, 1464390), (921, 1326060), (954, 1280190), (1060, 1152171), (1228, 994545), (1251, 976260), (1390, 878634), (1431, 853460), (1535, 795636), (1590, 768114), (1668, 732195), (1842, 663030), (1908, 640095), (2085, 585756), (2385, 512076), (2502, 488130), (2763, 442020), (2780, 439317), (2862, 426730), (3070, 397818), (3180, 384057), (3684, 331515), (3753, 325420), (4170, 292878), (4605, 265212), (4770, 256038), (5004, 244065), (5526, 221010), (5724, 213365), (6140, 198909), (6255, 195252), (7155, 170692), (7367, 165780), (7506, 162710), (8289, 147340), (8340, 146439), (9210, 132606), (9540, 128019), (11052, 110505), (12510, 97626), (13815, 88404), (14310, 85346), (14734, 82890), (15012, 81355), (16271, 75060), (16578, 73670), (18420, 66303), (18765, 65084), (22101, 55260), (25020, 48813), (27630, 44202), (28620, 42673), (29468, 41445), (32542, 37530), (33156, 36835)]