1946778880

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 4927184640

約数和(自身を除く): 2980405760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 320, 356, 368, 445, 460, 640, 712, 736, 743, 890, 920, 1280, 1424, 1472, 1486, 1780, 1840, 2047, 2848, 2944, 2972, 3560, 3680, 3715, 4094, 5696, 5888, 5944, 7120, 7360, 7430, 8188, 10235, 11392, 11888, 14240, 14720, 14860, 16376, 17089, 20470, 22784, 23776, 28480, 29440, 29720, 32752, 34178, 40940, 47552, 56960, 59440, 65504, 66127, 68356, 81880, 85445, 95104, 113920, 118880, 131008, 132254, 136712, 163760, 170890, 190208, 237760, 262016, 264508, 273424, 327520, 330635, 341780, 475520, 524032, 529016, 546848, 655040, 661270, 683560, 951040, 1058032, 1093696, 1310080, 1322540, 1367120, 1520921, 2116064, 2187392, 2620160, 2645080, 2734240, 3041842, 4232128, 4374784, 5290160, 5468480, 6083684, 7604605, 8464256, 10580320, 10936960, 12167368, 15209210, 16928512, 21160640, 21873920, 24334736, 30418420, 42321280, 48669472, 60836840, 84642560, 97338944, 121673680, 194677888, 243347360, 389355776, 486694720, 973389440, 1946778880]

約数ペア:

[(1, 1946778880), (2, 973389440), (4, 486694720), (5, 389355776), (8, 243347360), (10, 194677888), (16, 121673680), (20, 97338944), (23, 84642560), (32, 60836840), (40, 48669472), (46, 42321280), (64, 30418420), (80, 24334736), (89, 21873920), (92, 21160640), (115, 16928512), (128, 15209210), (160, 12167368), (178, 10936960), (184, 10580320), (230, 8464256), (256, 7604605), (320, 6083684), (356, 5468480), (368, 5290160), (445, 4374784), (460, 4232128), (640, 3041842), (712, 2734240), (736, 2645080), (743, 2620160), (890, 2187392), (920, 2116064), (1280, 1520921), (1424, 1367120), (1472, 1322540), (1486, 1310080), (1780, 1093696), (1840, 1058032), (2047, 951040), (2848, 683560), (2944, 661270), (2972, 655040), (3560, 546848), (3680, 529016), (3715, 524032), (4094, 475520), (5696, 341780), (5888, 330635), (5944, 327520), (7120, 273424), (7360, 264508), (7430, 262016), (8188, 237760), (10235, 190208), (11392, 170890), (11888, 163760), (14240, 136712), (14720, 132254), (14860, 131008), (16376, 118880), (17089, 113920), (20470, 95104), (22784, 85445), (23776, 81880), (28480, 68356), (29440, 66127), (29720, 65504), (32752, 59440), (34178, 56960), (40940, 47552)]