261773640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12757}}^1$

素因数の和:12796

約数の個数: 128

約数和(自身を含む): 918576000

約数和(自身を除く): 656802360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12757, 20520, 25514, 38271, 51028, 63785, 76542, 102056, 114813, 127570, 153084, 191355, 229626, 242383, 255140, 306168, 344439, 382710, 459252, 484766, 510280, 574065, 688878, 727149, 765420, 918504, 969532, 1148130, 1211915, 1377756, 1454298, 1530840, 1722195, 1939064, 2181447, 2296260, 2423830, 2755512, 2908596, 3444390, 3635745, 4362894, 4592520, 4847660, 5817192, 6544341, 6888780, 7271490, 8725788, 9695320, 10907235, 13088682, 13777560, 14542980, 17451576, 21814470, 26177364, 29085960, 32721705, 43628940, 52354728, 65443410, 87257880, 130886820, 261773640]

約数ペア:

[(1, 261773640), (2, 130886820), (3, 87257880), (4, 65443410), (5, 52354728), (6, 43628940), (8, 32721705), (9, 29085960), (10, 26177364), (12, 21814470), (15, 17451576), (18, 14542980), (19, 13777560), (20, 13088682), (24, 10907235), (27, 9695320), (30, 8725788), (36, 7271490), (38, 6888780), (40, 6544341), (45, 5817192), (54, 4847660), (57, 4592520), (60, 4362894), (72, 3635745), (76, 3444390), (90, 2908596), (95, 2755512), (108, 2423830), (114, 2296260), (120, 2181447), (135, 1939064), (152, 1722195), (171, 1530840), (180, 1454298), (190, 1377756), (216, 1211915), (228, 1148130), (270, 969532), (285, 918504), (342, 765420), (360, 727149), (380, 688878), (456, 574065), (513, 510280), (540, 484766), (570, 459252), (684, 382710), (760, 344439), (855, 306168), (1026, 255140), (1080, 242383), (1140, 229626), (1368, 191355), (1710, 153084), (2052, 127570), (2280, 114813), (2565, 102056), (3420, 76542), (4104, 63785), (5130, 51028), (6840, 38271), (10260, 25514), (12757, 20520)]