15971760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3169}}^1$

素因数の和:3195

約数の個数: 120

約数和(自身を含む): 61320480

約数和(自身を除く): 45348720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3169, 5040, 6338, 9507, 12676, 15845, 19014, 22183, 25352, 28521, 31690, 38028, 44366, 47535, 50704, 57042, 63380, 66549, 76056, 88732, 95070, 110915, 114084, 126760, 133098, 142605, 152112, 177464, 190140, 199647, 221830, 228168, 253520, 266196, 285210, 332745, 354928, 380280, 399294, 443660, 456336, 532392, 570420, 665490, 760560, 798588, 887320, 998235, 1064784, 1140840, 1330980, 1597176, 1774640, 1996470, 2281680, 2661960, 3194352, 3992940, 5323920, 7985880, 15971760]

約数ペア:

[(1, 15971760), (2, 7985880), (3, 5323920), (4, 3992940), (5, 3194352), (6, 2661960), (7, 2281680), (8, 1996470), (9, 1774640), (10, 1597176), (12, 1330980), (14, 1140840), (15, 1064784), (16, 998235), (18, 887320), (20, 798588), (21, 760560), (24, 665490), (28, 570420), (30, 532392), (35, 456336), (36, 443660), (40, 399294), (42, 380280), (45, 354928), (48, 332745), (56, 285210), (60, 266196), (63, 253520), (70, 228168), (72, 221830), (80, 199647), (84, 190140), (90, 177464), (105, 152112), (112, 142605), (120, 133098), (126, 126760), (140, 114084), (144, 110915), (168, 95070), (180, 88732), (210, 76056), (240, 66549), (252, 63380), (280, 57042), (315, 50704), (336, 47535), (360, 44366), (420, 38028), (504, 31690), (560, 28521), (630, 25352), (720, 22183), (840, 19014), (1008, 15845), (1260, 12676), (1680, 9507), (2520, 6338), (3169, 5040)]