81277440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:602

約数の個数: 160

約数和(自身を含む): 274000320

約数和(自身を除く): 192722880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 512, 557, 570, 608, 640, 760, 768, 912, 960, 1114, 1140, 1216, 1280, 1520, 1536, 1671, 1824, 1920, 2228, 2280, 2432, 2560, 2785, 3040, 3342, 3648, 3840, 4456, 4560, 4864, 5570, 6080, 6684, 7296, 7680, 8355, 8912, 9120, 9728, 10583, 11140, 12160, 13368, 14592, 16710, 17824, 18240, 21166, 22280, 24320, 26736, 29184, 31749, 33420, 35648, 36480, 42332, 44560, 48640, 52915, 53472, 63498, 66840, 71296, 72960, 84664, 89120, 105830, 106944, 126996, 133680, 142592, 145920, 158745, 169328, 178240, 211660, 213888, 253992, 267360, 285184, 317490, 338656, 356480, 423320, 427776, 507984, 534720, 634980, 677312, 712960, 846640, 855552, 1015968, 1069440, 1269960, 1354624, 1425920, 1693280, 2031936, 2138880, 2539920, 2709248, 3386560, 4063872, 4277760, 5079840, 5418496, 6773120, 8127744, 10159680, 13546240, 16255488, 20319360, 27092480, 40638720, 81277440]

約数ペア:

[(1, 81277440), (2, 40638720), (3, 27092480), (4, 20319360), (5, 16255488), (6, 13546240), (8, 10159680), (10, 8127744), (12, 6773120), (15, 5418496), (16, 5079840), (19, 4277760), (20, 4063872), (24, 3386560), (30, 2709248), (32, 2539920), (38, 2138880), (40, 2031936), (48, 1693280), (57, 1425920), (60, 1354624), (64, 1269960), (76, 1069440), (80, 1015968), (95, 855552), (96, 846640), (114, 712960), (120, 677312), (128, 634980), (152, 534720), (160, 507984), (190, 427776), (192, 423320), (228, 356480), (240, 338656), (256, 317490), (285, 285184), (304, 267360), (320, 253992), (380, 213888), (384, 211660), (456, 178240), (480, 169328), (512, 158745), (557, 145920), (570, 142592), (608, 133680), (640, 126996), (760, 106944), (768, 105830), (912, 89120), (960, 84664), (1114, 72960), (1140, 71296), (1216, 66840), (1280, 63498), (1520, 53472), (1536, 52915), (1671, 48640), (1824, 44560), (1920, 42332), (2228, 36480), (2280, 35648), (2432, 33420), (2560, 31749), (2785, 29184), (3040, 26736), (3342, 24320), (3648, 22280), (3840, 21166), (4456, 18240), (4560, 17824), (4864, 16710), (5570, 14592), (6080, 13368), (6684, 12160), (7296, 11140), (7680, 10583), (8355, 9728), (8912, 9120)]