30381750

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 96445440

約数和(自身を除く): 66063690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 125, 126, 135, 150, 175, 189, 210, 225, 250, 270, 315, 350, 375, 378, 450, 525, 630, 643, 675, 750, 875, 945, 1050, 1125, 1286, 1350, 1575, 1750, 1890, 1929, 2250, 2625, 3150, 3215, 3375, 3858, 4501, 4725, 5250, 5787, 6430, 6750, 7875, 9002, 9450, 9645, 11574, 13503, 15750, 16075, 17361, 19290, 22505, 23625, 27006, 28935, 32150, 34722, 40509, 45010, 47250, 48225, 57870, 67515, 80375, 81018, 86805, 96450, 112525, 121527, 135030, 144675, 160750, 173610, 202545, 225050, 241125, 243054, 289350, 337575, 405090, 434025, 482250, 562625, 607635, 675150, 723375, 868050, 1012725, 1125250, 1215270, 1446750, 1687875, 2025450, 2170125, 3038175, 3375750, 4340250, 5063625, 6076350, 10127250, 15190875, 30381750]

約数ペア:

[(1, 30381750), (2, 15190875), (3, 10127250), (5, 6076350), (6, 5063625), (7, 4340250), (9, 3375750), (10, 3038175), (14, 2170125), (15, 2025450), (18, 1687875), (21, 1446750), (25, 1215270), (27, 1125250), (30, 1012725), (35, 868050), (42, 723375), (45, 675150), (50, 607635), (54, 562625), (63, 482250), (70, 434025), (75, 405090), (90, 337575), (105, 289350), (125, 243054), (126, 241125), (135, 225050), (150, 202545), (175, 173610), (189, 160750), (210, 144675), (225, 135030), (250, 121527), (270, 112525), (315, 96450), (350, 86805), (375, 81018), (378, 80375), (450, 67515), (525, 57870), (630, 48225), (643, 47250), (675, 45010), (750, 40509), (875, 34722), (945, 32150), (1050, 28935), (1125, 27006), (1286, 23625), (1350, 22505), (1575, 19290), (1750, 17361), (1890, 16075), (1929, 15750), (2250, 13503), (2625, 11574), (3150, 9645), (3215, 9450), (3375, 9002), (3858, 7875), (4501, 6750), (4725, 6430), (5250, 5787)]