15960420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 40648860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 239, 252, 265, 315, 318, 371, 420, 477, 478, 530, 630, 636, 717, 742, 795, 954, 956, 1060, 1113, 1195, 1260, 1434, 1484, 1590, 1673, 1855, 1908, 2151, 2226, 2385, 2390, 2868, 3180, 3339, 3346, 3585, 3710, 4302, 4452, 4770, 4780, 5019, 5565, 6678, 6692, 7170, 7420, 8365, 8604, 9540, 10038, 10755, 11130, 12667, 13356, 14340, 15057, 16695, 16730, 20076, 21510, 22260, 25095, 25334, 30114, 33390, 33460, 38001, 43020, 50190, 50668, 60228, 63335, 66780, 75285, 76002, 88669, 100380, 114003, 126670, 150570, 152004, 177338, 190005, 228006, 253340, 266007, 301140, 354676, 380010, 443345, 456012, 532014, 570015, 760020, 798021, 886690, 1064028, 1140030, 1330035, 1596042, 1773380, 2280060, 2660070, 3192084, 3990105, 5320140, 7980210, 15960420]

約数ペア:

[(1, 15960420), (2, 7980210), (3, 5320140), (4, 3990105), (5, 3192084), (6, 2660070), (7, 2280060), (9, 1773380), (10, 1596042), (12, 1330035), (14, 1140030), (15, 1064028), (18, 886690), (20, 798021), (21, 760020), (28, 570015), (30, 532014), (35, 456012), (36, 443345), (42, 380010), (45, 354676), (53, 301140), (60, 266007), (63, 253340), (70, 228006), (84, 190005), (90, 177338), (105, 152004), (106, 150570), (126, 126670), (140, 114003), (159, 100380), (180, 88669), (210, 76002), (212, 75285), (239, 66780), (252, 63335), (265, 60228), (315, 50668), (318, 50190), (371, 43020), (420, 38001), (477, 33460), (478, 33390), (530, 30114), (630, 25334), (636, 25095), (717, 22260), (742, 21510), (795, 20076), (954, 16730), (956, 16695), (1060, 15057), (1113, 14340), (1195, 13356), (1260, 12667), (1434, 11130), (1484, 10755), (1590, 10038), (1673, 9540), (1855, 8604), (1908, 8365), (2151, 7420), (2226, 7170), (2385, 6692), (2390, 6678), (2868, 5565), (3180, 5019), (3339, 4780), (3346, 4770), (3585, 4452), (3710, 4302)]