991960380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3169}}^1$

素因数の和:3268

約数の個数: 144

約数和(自身を含む): 3157015680

約数和(自身を除く): 2165055300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 235, 282, 333, 370, 423, 444, 470, 555, 564, 666, 705, 740, 846, 940, 1110, 1332, 1410, 1665, 1692, 1739, 2115, 2220, 2820, 3169, 3330, 3478, 4230, 5217, 6338, 6660, 6956, 8460, 8695, 9507, 10434, 12676, 15651, 15845, 17390, 19014, 20868, 26085, 28521, 31302, 31690, 34780, 38028, 47535, 52170, 57042, 62604, 63380, 78255, 95070, 104340, 114084, 117253, 142605, 148943, 156510, 190140, 234506, 285210, 297886, 313020, 351759, 446829, 469012, 570420, 586265, 595772, 703518, 744715, 893658, 1055277, 1172530, 1340487, 1407036, 1489430, 1758795, 1787316, 2110554, 2234145, 2345060, 2680974, 2978860, 3517590, 4221108, 4468290, 5276385, 5361948, 5510891, 6702435, 7035180, 8936580, 10552770, 11021782, 13404870, 16532673, 21105540, 22043564, 26809740, 27554455, 33065346, 49598019, 55108910, 66130692, 82663365, 99196038, 110217820, 165326730, 198392076, 247990095, 330653460, 495980190, 991960380]

約数ペア:

[(1, 991960380), (2, 495980190), (3, 330653460), (4, 247990095), (5, 198392076), (6, 165326730), (9, 110217820), (10, 99196038), (12, 82663365), (15, 66130692), (18, 55108910), (20, 49598019), (30, 33065346), (36, 27554455), (37, 26809740), (45, 22043564), (47, 21105540), (60, 16532673), (74, 13404870), (90, 11021782), (94, 10552770), (111, 8936580), (141, 7035180), (148, 6702435), (180, 5510891), (185, 5361948), (188, 5276385), (222, 4468290), (235, 4221108), (282, 3517590), (333, 2978860), (370, 2680974), (423, 2345060), (444, 2234145), (470, 2110554), (555, 1787316), (564, 1758795), (666, 1489430), (705, 1407036), (740, 1340487), (846, 1172530), (940, 1055277), (1110, 893658), (1332, 744715), (1410, 703518), (1665, 595772), (1692, 586265), (1739, 570420), (2115, 469012), (2220, 446829), (2820, 351759), (3169, 313020), (3330, 297886), (3478, 285210), (4230, 234506), (5217, 190140), (6338, 156510), (6660, 148943), (6956, 142605), (8460, 117253), (8695, 114084), (9507, 104340), (10434, 95070), (12676, 78255), (15651, 63380), (15845, 62604), (17390, 57042), (19014, 52170), (20868, 47535), (26085, 38028), (28521, 34780), (31302, 31690)]