1618449900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 4775694336

約数和(自身を除く): 3157244436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 107, 127, 150, 214, 254, 300, 321, 381, 397, 428, 508, 535, 635, 642, 762, 794, 1070, 1191, 1270, 1284, 1524, 1588, 1605, 1905, 1985, 2140, 2382, 2540, 2675, 3175, 3210, 3810, 3970, 4764, 5350, 5955, 6350, 6420, 7620, 7940, 8025, 9525, 9925, 10700, 11910, 12700, 13589, 16050, 19050, 19850, 23820, 27178, 29775, 32100, 38100, 39700, 40767, 42479, 50419, 54356, 59550, 67945, 81534, 84958, 100838, 119100, 127437, 135890, 151257, 163068, 169916, 201676, 203835, 212395, 252095, 254874, 271780, 302514, 339725, 407670, 424790, 504190, 509748, 605028, 637185, 679450, 756285, 815340, 849580, 1008380, 1019175, 1061975, 1260475, 1274370, 1358900, 1512570, 2038350, 2123950, 2520950, 2548740, 3025140, 3185925, 3781425, 4076700, 4247900, 5041900, 5394833, 6371850, 7562850, 10789666, 12743700, 15125700, 16184499, 21579332, 26974165, 32368998, 53948330, 64737996, 80922495, 107896660, 134870825, 161844990, 269741650, 323689980, 404612475, 539483300, 809224950, 1618449900]

約数ペア:

[(1, 1618449900), (2, 809224950), (3, 539483300), (4, 404612475), (5, 323689980), (6, 269741650), (10, 161844990), (12, 134870825), (15, 107896660), (20, 80922495), (25, 64737996), (30, 53948330), (50, 32368998), (60, 26974165), (75, 21579332), (100, 16184499), (107, 15125700), (127, 12743700), (150, 10789666), (214, 7562850), (254, 6371850), (300, 5394833), (321, 5041900), (381, 4247900), (397, 4076700), (428, 3781425), (508, 3185925), (535, 3025140), (635, 2548740), (642, 2520950), (762, 2123950), (794, 2038350), (1070, 1512570), (1191, 1358900), (1270, 1274370), (1284, 1260475), (1524, 1061975), (1588, 1019175), (1605, 1008380), (1905, 849580), (1985, 815340), (2140, 756285), (2382, 679450), (2540, 637185), (2675, 605028), (3175, 509748), (3210, 504190), (3810, 424790), (3970, 407670), (4764, 339725), (5350, 302514), (5955, 271780), (6350, 254874), (6420, 252095), (7620, 212395), (7940, 203835), (8025, 201676), (9525, 169916), (9925, 163068), (10700, 151257), (11910, 135890), (12700, 127437), (13589, 119100), (16050, 100838), (19050, 84958), (19850, 81534), (23820, 67945), (27178, 59550), (29775, 54356), (32100, 50419), (38100, 42479), (39700, 40767)]