69481980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 221405184

約数和(自身を除く): 151923204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 86, 90, 94, 129, 141, 172, 180, 188, 191, 215, 235, 258, 282, 382, 387, 423, 430, 470, 516, 564, 573, 645, 705, 764, 774, 846, 860, 940, 955, 1146, 1290, 1410, 1548, 1692, 1719, 1910, 1935, 2021, 2115, 2292, 2580, 2820, 2865, 3438, 3820, 3870, 4042, 4230, 5730, 6063, 6876, 7740, 8084, 8213, 8460, 8595, 8977, 10105, 11460, 12126, 16426, 17190, 17954, 18189, 20210, 24252, 24639, 26931, 30315, 32852, 34380, 35908, 36378, 40420, 41065, 44885, 49278, 53862, 60630, 72756, 73917, 80793, 82130, 89770, 90945, 98556, 107724, 121260, 123195, 134655, 147834, 161586, 164260, 179540, 181890, 246390, 269310, 295668, 323172, 363780, 369585, 386011, 403965, 492780, 538620, 739170, 772022, 807930, 1158033, 1478340, 1544044, 1615860, 1930055, 2316066, 3474099, 3860110, 4632132, 5790165, 6948198, 7720220, 11580330, 13896396, 17370495, 23160660, 34740990, 69481980]

約数ペア:

[(1, 69481980), (2, 34740990), (3, 23160660), (4, 17370495), (5, 13896396), (6, 11580330), (9, 7720220), (10, 6948198), (12, 5790165), (15, 4632132), (18, 3860110), (20, 3474099), (30, 2316066), (36, 1930055), (43, 1615860), (45, 1544044), (47, 1478340), (60, 1158033), (86, 807930), (90, 772022), (94, 739170), (129, 538620), (141, 492780), (172, 403965), (180, 386011), (188, 369585), (191, 363780), (215, 323172), (235, 295668), (258, 269310), (282, 246390), (382, 181890), (387, 179540), (423, 164260), (430, 161586), (470, 147834), (516, 134655), (564, 123195), (573, 121260), (645, 107724), (705, 98556), (764, 90945), (774, 89770), (846, 82130), (860, 80793), (940, 73917), (955, 72756), (1146, 60630), (1290, 53862), (1410, 49278), (1548, 44885), (1692, 41065), (1719, 40420), (1910, 36378), (1935, 35908), (2021, 34380), (2115, 32852), (2292, 30315), (2580, 26931), (2820, 24639), (2865, 24252), (3438, 20210), (3820, 18189), (3870, 17954), (4042, 17190), (4230, 16426), (5730, 12126), (6063, 11460), (6876, 10105), (7740, 8977), (8084, 8595), (8213, 8460)]