181258240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 449729280

約数和(自身を除く): 268471040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 571, 620, 640, 992, 1024, 1142, 1240, 1280, 1984, 2048, 2284, 2480, 2560, 2855, 3968, 4568, 4960, 5120, 5710, 7936, 9136, 9920, 10240, 11420, 15872, 17701, 18272, 19840, 22840, 31744, 35402, 36544, 39680, 45680, 63488, 70804, 73088, 79360, 88505, 91360, 141608, 146176, 158720, 177010, 182720, 283216, 292352, 317440, 354020, 365440, 566432, 584704, 708040, 730880, 1132864, 1169408, 1416080, 1461760, 2265728, 2832160, 2923520, 4531456, 5664320, 5847040, 9062912, 11328640, 18125824, 22657280, 36251648, 45314560, 90629120, 181258240]

約数ペア:

[(1, 181258240), (2, 90629120), (4, 45314560), (5, 36251648), (8, 22657280), (10, 18125824), (16, 11328640), (20, 9062912), (31, 5847040), (32, 5664320), (40, 4531456), (62, 2923520), (64, 2832160), (80, 2265728), (124, 1461760), (128, 1416080), (155, 1169408), (160, 1132864), (248, 730880), (256, 708040), (310, 584704), (320, 566432), (496, 365440), (512, 354020), (571, 317440), (620, 292352), (640, 283216), (992, 182720), (1024, 177010), (1142, 158720), (1240, 146176), (1280, 141608), (1984, 91360), (2048, 88505), (2284, 79360), (2480, 73088), (2560, 70804), (2855, 63488), (3968, 45680), (4568, 39680), (4960, 36544), (5120, 35402), (5710, 31744), (7936, 22840), (9136, 19840), (9920, 18272), (10240, 17701), (11420, 15872)]