771221640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12577}}^1$

素因数の和:12671

約数の個数: 128

約数和(自身を含む): 2680623360

約数和(自身を除く): 1909401720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 12577, 15330, 20440, 25154, 30660, 37731, 50308, 61320, 62885, 75462, 88039, 100616, 125770, 150924, 176078, 188655, 251540, 264117, 301848, 352156, 377310, 440195, 503080, 528234, 704312, 754620, 880390, 918121, 1056468, 1320585, 1509240, 1760780, 1836242, 2112936, 2641170, 2754363, 3521560, 3672484, 4590605, 5282340, 5508726, 6426847, 7344968, 9181210, 10564680, 11017452, 12853694, 13771815, 18362420, 19280541, 22034904, 25707388, 27543630, 32134235, 36724840, 38561082, 51414776, 55087260, 64268470, 77122164, 96402705, 110174520, 128536940, 154244328, 192805410, 257073880, 385610820, 771221640]

約数ペア:

[(1, 771221640), (2, 385610820), (3, 257073880), (4, 192805410), (5, 154244328), (6, 128536940), (7, 110174520), (8, 96402705), (10, 77122164), (12, 64268470), (14, 55087260), (15, 51414776), (20, 38561082), (21, 36724840), (24, 32134235), (28, 27543630), (30, 25707388), (35, 22034904), (40, 19280541), (42, 18362420), (56, 13771815), (60, 12853694), (70, 11017452), (73, 10564680), (84, 9181210), (105, 7344968), (120, 6426847), (140, 5508726), (146, 5282340), (168, 4590605), (210, 3672484), (219, 3521560), (280, 2754363), (292, 2641170), (365, 2112936), (420, 1836242), (438, 1760780), (511, 1509240), (584, 1320585), (730, 1056468), (840, 918121), (876, 880390), (1022, 754620), (1095, 704312), (1460, 528234), (1533, 503080), (1752, 440195), (2044, 377310), (2190, 352156), (2555, 301848), (2920, 264117), (3066, 251540), (4088, 188655), (4380, 176078), (5110, 150924), (6132, 125770), (7665, 100616), (8760, 88039), (10220, 75462), (12264, 62885), (12577, 61320), (15330, 50308), (20440, 37731), (25154, 30660)]