999514880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8622

約数の個数: 144

約数和(自身を含む): 2946990144

約数和(自身を除く): 1947475264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2912, 3328, 3640, 4160, 4480, 5824, 7280, 8320, 8581, 8960, 11648, 14560, 16640, 17162, 23296, 29120, 34324, 42905, 58240, 60067, 68648, 85810, 111553, 116480, 120134, 137296, 171620, 223106, 240268, 274592, 300335, 343240, 446212, 480536, 549184, 557765, 600670, 686480, 780871, 892424, 961072, 1098368, 1115530, 1201340, 1372960, 1561742, 1784848, 1922144, 2196736, 2231060, 2402680, 2745920, 3123484, 3569696, 3844288, 3904355, 4462120, 4805360, 5491840, 6246968, 7139392, 7688576, 7808710, 8924240, 9610720, 10983680, 12493936, 14278784, 15377152, 15617420, 17848480, 19221440, 24987872, 28557568, 31234840, 35696960, 38442880, 49975744, 62469680, 71393920, 76885760, 99951488, 124939360, 142787840, 199902976, 249878720, 499757440, 999514880]

約数ペア:

[(1, 999514880), (2, 499757440), (4, 249878720), (5, 199902976), (7, 142787840), (8, 124939360), (10, 99951488), (13, 76885760), (14, 71393920), (16, 62469680), (20, 49975744), (26, 38442880), (28, 35696960), (32, 31234840), (35, 28557568), (40, 24987872), (52, 19221440), (56, 17848480), (64, 15617420), (65, 15377152), (70, 14278784), (80, 12493936), (91, 10983680), (104, 9610720), (112, 8924240), (128, 7808710), (130, 7688576), (140, 7139392), (160, 6246968), (182, 5491840), (208, 4805360), (224, 4462120), (256, 3904355), (260, 3844288), (280, 3569696), (320, 3123484), (364, 2745920), (416, 2402680), (448, 2231060), (455, 2196736), (520, 1922144), (560, 1784848), (640, 1561742), (728, 1372960), (832, 1201340), (896, 1115530), (910, 1098368), (1040, 961072), (1120, 892424), (1280, 780871), (1456, 686480), (1664, 600670), (1792, 557765), (1820, 549184), (2080, 480536), (2240, 446212), (2912, 343240), (3328, 300335), (3640, 274592), (4160, 240268), (4480, 223106), (5824, 171620), (7280, 137296), (8320, 120134), (8581, 116480), (8960, 111553), (11648, 85810), (14560, 68648), (16640, 60067), (17162, 58240), (23296, 42905), (29120, 34324)]