128512500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 393724800

約数和(自身を除く): 265212300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 125, 138, 149, 150, 230, 250, 276, 298, 300, 345, 375, 447, 460, 500, 575, 596, 625, 690, 745, 750, 894, 1150, 1250, 1380, 1490, 1500, 1725, 1788, 1875, 2235, 2300, 2500, 2875, 2980, 3125, 3427, 3450, 3725, 3750, 4470, 5750, 6250, 6854, 6900, 7450, 7500, 8625, 8940, 9375, 10281, 11175, 11500, 12500, 13708, 14375, 14900, 17135, 17250, 18625, 18750, 20562, 22350, 28750, 34270, 34500, 37250, 37500, 41124, 43125, 44700, 51405, 55875, 57500, 68540, 71875, 74500, 85675, 86250, 93125, 102810, 111750, 143750, 171350, 172500, 186250, 205620, 215625, 223500, 257025, 279375, 287500, 342700, 372500, 428375, 431250, 465625, 514050, 558750, 856750, 862500, 931250, 1028100, 1117500, 1285125, 1396875, 1713500, 1862500, 2141875, 2570250, 2793750, 4283750, 5140500, 5587500, 6425625, 8567500, 10709375, 12851250, 21418750, 25702500, 32128125, 42837500, 64256250, 128512500]

約数ペア:

[(1, 128512500), (2, 64256250), (3, 42837500), (4, 32128125), (5, 25702500), (6, 21418750), (10, 12851250), (12, 10709375), (15, 8567500), (20, 6425625), (23, 5587500), (25, 5140500), (30, 4283750), (46, 2793750), (50, 2570250), (60, 2141875), (69, 1862500), (75, 1713500), (92, 1396875), (100, 1285125), (115, 1117500), (125, 1028100), (138, 931250), (149, 862500), (150, 856750), (230, 558750), (250, 514050), (276, 465625), (298, 431250), (300, 428375), (345, 372500), (375, 342700), (447, 287500), (460, 279375), (500, 257025), (575, 223500), (596, 215625), (625, 205620), (690, 186250), (745, 172500), (750, 171350), (894, 143750), (1150, 111750), (1250, 102810), (1380, 93125), (1490, 86250), (1500, 85675), (1725, 74500), (1788, 71875), (1875, 68540), (2235, 57500), (2300, 55875), (2500, 51405), (2875, 44700), (2980, 43125), (3125, 41124), (3427, 37500), (3450, 37250), (3725, 34500), (3750, 34270), (4470, 28750), (5750, 22350), (6250, 20562), (6854, 18750), (6900, 18625), (7450, 17250), (7500, 17135), (8625, 14900), (8940, 14375), (9375, 13708), (10281, 12500), (11175, 11500)]