178285120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2568

約数の個数: 112

約数和(自身を含む): 484284528

約数和(自身を除く): 305999408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 2080, 2210, 2521, 2720, 3536, 4160, 4420, 5042, 5440, 7072, 8840, 10084, 12605, 14144, 17680, 20168, 25210, 32773, 35360, 40336, 42857, 50420, 65546, 70720, 80672, 85714, 100840, 131092, 161344, 163865, 171428, 201680, 214285, 262184, 327730, 342856, 403360, 428570, 524368, 557141, 655460, 685712, 806720, 857140, 1048736, 1114282, 1310920, 1371424, 1714280, 2097472, 2228564, 2621840, 2742848, 2785705, 3428560, 4457128, 5243680, 5571410, 6857120, 8914256, 10487360, 11142820, 13714240, 17828512, 22285640, 35657024, 44571280, 89142560, 178285120]

約数ペア:

[(1, 178285120), (2, 89142560), (4, 44571280), (5, 35657024), (8, 22285640), (10, 17828512), (13, 13714240), (16, 11142820), (17, 10487360), (20, 8914256), (26, 6857120), (32, 5571410), (34, 5243680), (40, 4457128), (52, 3428560), (64, 2785705), (65, 2742848), (68, 2621840), (80, 2228564), (85, 2097472), (104, 1714280), (130, 1371424), (136, 1310920), (160, 1114282), (170, 1048736), (208, 857140), (221, 806720), (260, 685712), (272, 655460), (320, 557141), (340, 524368), (416, 428570), (442, 403360), (520, 342856), (544, 327730), (680, 262184), (832, 214285), (884, 201680), (1040, 171428), (1088, 163865), (1105, 161344), (1360, 131092), (1768, 100840), (2080, 85714), (2210, 80672), (2521, 70720), (2720, 65546), (3536, 50420), (4160, 42857), (4420, 40336), (5042, 35360), (5440, 32773), (7072, 25210), (8840, 20168), (10084, 17680), (12605, 14144)]