240072560

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:720

約数の個数: 160

約数和(自身を含む): 702038400

約数和(自身を除く): 461965840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 637, 673, 686, 728, 784, 910, 980, 1040, 1274, 1346, 1372, 1456, 1715, 1820, 1960, 2548, 2692, 2744, 3185, 3365, 3430, 3640, 3920, 4459, 4711, 5096, 5384, 5488, 6370, 6730, 6860, 7280, 8749, 8918, 9422, 10192, 10768, 12740, 13460, 13720, 17498, 17836, 18844, 22295, 23555, 25480, 26920, 27440, 32977, 34996, 35672, 37688, 43745, 44590, 47110, 50960, 53840, 61243, 65954, 69992, 71344, 75376, 87490, 89180, 94220, 122486, 131908, 139984, 164885, 174980, 178360, 188440, 230839, 244972, 263816, 306215, 329770, 349960, 356720, 376880, 428701, 461678, 489944, 527632, 612430, 659540, 699920, 857402, 923356, 979888, 1154195, 1224860, 1319080, 1714804, 1846712, 2143505, 2308390, 2449720, 2638160, 3000907, 3429608, 3693424, 4287010, 4616780, 4899440, 6001814, 6859216, 8574020, 9233560, 12003628, 15004535, 17148040, 18467120, 24007256, 30009070, 34296080, 48014512, 60018140, 120036280, 240072560]

約数ペア:

[(1, 240072560), (2, 120036280), (4, 60018140), (5, 48014512), (7, 34296080), (8, 30009070), (10, 24007256), (13, 18467120), (14, 17148040), (16, 15004535), (20, 12003628), (26, 9233560), (28, 8574020), (35, 6859216), (40, 6001814), (49, 4899440), (52, 4616780), (56, 4287010), (65, 3693424), (70, 3429608), (80, 3000907), (91, 2638160), (98, 2449720), (104, 2308390), (112, 2143505), (130, 1846712), (140, 1714804), (182, 1319080), (196, 1224860), (208, 1154195), (245, 979888), (260, 923356), (280, 857402), (343, 699920), (364, 659540), (392, 612430), (455, 527632), (490, 489944), (520, 461678), (560, 428701), (637, 376880), (673, 356720), (686, 349960), (728, 329770), (784, 306215), (910, 263816), (980, 244972), (1040, 230839), (1274, 188440), (1346, 178360), (1372, 174980), (1456, 164885), (1715, 139984), (1820, 131908), (1960, 122486), (2548, 94220), (2692, 89180), (2744, 87490), (3185, 75376), (3365, 71344), (3430, 69992), (3640, 65954), (3920, 61243), (4459, 53840), (4711, 50960), (5096, 47110), (5384, 44590), (5488, 43745), (6370, 37688), (6730, 35672), (6860, 34996), (7280, 32977), (8749, 27440), (8918, 26920), (9422, 25480), (10192, 23555), (10768, 22295), (12740, 18844), (13460, 17836), (13720, 17498)]