79272029440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{22447}}^1$

素因数の和:22588

約数の個数: 144

約数和(自身を含む): 198217635840

約数和(自身を除く): 118945606400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 256, 310, 320, 356, 445, 496, 620, 640, 712, 890, 992, 1240, 1280, 1424, 1780, 1984, 2480, 2759, 2848, 3560, 3968, 4960, 5518, 5696, 7120, 7936, 9920, 11036, 11392, 13795, 14240, 19840, 22072, 22447, 22784, 27590, 28480, 39680, 44144, 44894, 55180, 56960, 88288, 89788, 110360, 112235, 113920, 176576, 179576, 220720, 224470, 353152, 359152, 441440, 448940, 695857, 706304, 718304, 882880, 897880, 1391714, 1436608, 1765760, 1795760, 1997783, 2783428, 2873216, 3479285, 3531520, 3591520, 3995566, 5566856, 5746432, 6958570, 7183040, 7991132, 9988915, 11133712, 13917140, 14366080, 15982264, 19977830, 22267424, 27834280, 28732160, 31964528, 39955660, 44534848, 55668560, 61931273, 63929056, 79911320, 89069696, 111337120, 123862546, 127858112, 159822640, 178139392, 222674240, 247725092, 255716224, 309656365, 319645280, 445348480, 495450184, 511432448, 619312730, 639290560, 890696960, 990900368, 1238625460, 1278581120, 1981800736, 2477250920, 2557162240, 3963601472, 4954501840, 7927202944, 9909003680, 15854405888, 19818007360, 39636014720, 79272029440]

約数ペア:

[(1, 79272029440), (2, 39636014720), (4, 19818007360), (5, 15854405888), (8, 9909003680), (10, 7927202944), (16, 4954501840), (20, 3963601472), (31, 2557162240), (32, 2477250920), (40, 1981800736), (62, 1278581120), (64, 1238625460), (80, 990900368), (89, 890696960), (124, 639290560), (128, 619312730), (155, 511432448), (160, 495450184), (178, 445348480), (248, 319645280), (256, 309656365), (310, 255716224), (320, 247725092), (356, 222674240), (445, 178139392), (496, 159822640), (620, 127858112), (640, 123862546), (712, 111337120), (890, 89069696), (992, 79911320), (1240, 63929056), (1280, 61931273), (1424, 55668560), (1780, 44534848), (1984, 39955660), (2480, 31964528), (2759, 28732160), (2848, 27834280), (3560, 22267424), (3968, 19977830), (4960, 15982264), (5518, 14366080), (5696, 13917140), (7120, 11133712), (7936, 9988915), (9920, 7991132), (11036, 7183040), (11392, 6958570), (13795, 5746432), (14240, 5566856), (19840, 3995566), (22072, 3591520), (22447, 3531520), (22784, 3479285), (27590, 2873216), (28480, 2783428), (39680, 1997783), (44144, 1795760), (44894, 1765760), (55180, 1436608), (56960, 1391714), (88288, 897880), (89788, 882880), (110360, 718304), (112235, 706304), (113920, 695857), (176576, 448940), (179576, 441440), (220720, 359152), (224470, 353152)]