72282780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 231154560

約数和(自身を除く): 158871780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 139, 162, 180, 214, 243, 270, 278, 321, 324, 405, 417, 428, 486, 535, 540, 556, 642, 695, 810, 834, 963, 972, 1070, 1215, 1251, 1284, 1390, 1605, 1620, 1668, 1926, 2085, 2140, 2430, 2502, 2780, 2889, 3210, 3753, 3852, 4170, 4815, 4860, 5004, 5778, 6255, 6420, 7506, 8340, 8667, 9630, 11259, 11556, 12510, 14445, 14873, 15012, 17334, 18765, 19260, 22518, 25020, 26001, 28890, 29746, 33777, 34668, 37530, 43335, 44619, 45036, 52002, 56295, 57780, 59492, 67554, 74365, 75060, 86670, 89238, 104004, 112590, 130005, 133857, 135108, 148730, 168885, 173340, 178476, 223095, 225180, 260010, 267714, 297460, 337770, 401571, 446190, 520020, 535428, 669285, 675540, 803142, 892380, 1204713, 1338570, 1606284, 2007855, 2409426, 2677140, 3614139, 4015710, 4818852, 6023565, 7228278, 8031420, 12047130, 14456556, 18070695, 24094260, 36141390, 72282780]

約数ペア:

[(1, 72282780), (2, 36141390), (3, 24094260), (4, 18070695), (5, 14456556), (6, 12047130), (9, 8031420), (10, 7228278), (12, 6023565), (15, 4818852), (18, 4015710), (20, 3614139), (27, 2677140), (30, 2409426), (36, 2007855), (45, 1606284), (54, 1338570), (60, 1204713), (81, 892380), (90, 803142), (107, 675540), (108, 669285), (135, 535428), (139, 520020), (162, 446190), (180, 401571), (214, 337770), (243, 297460), (270, 267714), (278, 260010), (321, 225180), (324, 223095), (405, 178476), (417, 173340), (428, 168885), (486, 148730), (535, 135108), (540, 133857), (556, 130005), (642, 112590), (695, 104004), (810, 89238), (834, 86670), (963, 75060), (972, 74365), (1070, 67554), (1215, 59492), (1251, 57780), (1284, 56295), (1390, 52002), (1605, 45036), (1620, 44619), (1668, 43335), (1926, 37530), (2085, 34668), (2140, 33777), (2430, 29746), (2502, 28890), (2780, 26001), (2889, 25020), (3210, 22518), (3753, 19260), (3852, 18765), (4170, 17334), (4815, 15012), (4860, 14873), (5004, 14445), (5778, 12510), (6255, 11556), (6420, 11259), (7506, 9630), (8340, 8667)]