1378781600

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2069}}^1$

素因数の和:2120

約数の個数: 216

約数和(自身を含む): 4147820460

約数和(自身を除く): 2769038860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 49, 50, 56, 68, 70, 80, 85, 98, 100, 112, 119, 136, 140, 160, 170, 175, 196, 200, 224, 238, 245, 272, 280, 340, 350, 392, 400, 425, 476, 490, 544, 560, 595, 680, 700, 784, 800, 833, 850, 952, 980, 1120, 1190, 1225, 1360, 1400, 1568, 1666, 1700, 1904, 1960, 2069, 2380, 2450, 2720, 2800, 2975, 3332, 3400, 3808, 3920, 4138, 4165, 4760, 4900, 5600, 5950, 6664, 6800, 7840, 8276, 8330, 9520, 9800, 10345, 11900, 13328, 13600, 14483, 16552, 16660, 19040, 19600, 20690, 20825, 23800, 26656, 28966, 33104, 33320, 35173, 39200, 41380, 41650, 47600, 51725, 57932, 66208, 66640, 70346, 72415, 82760, 83300, 95200, 101381, 103450, 115864, 133280, 140692, 144830, 165520, 166600, 175865, 202762, 206900, 231728, 246211, 281384, 289660, 331040, 333200, 351730, 362075, 405524, 413800, 463456, 492422, 506905, 562768, 579320, 666400, 703460, 724150, 811048, 827600, 879325, 984844, 1013810, 1125536, 1158640, 1231055, 1406920, 1448300, 1622096, 1655200, 1723477, 1758650, 1969688, 2027620, 2317280, 2462110, 2534525, 2813840, 2896600, 3244192, 3446954, 3517300, 3939376, 4055240, 4924220, 5069050, 5627680, 5793200, 6155275, 6893908, 7034600, 7878752, 8110480, 8617385, 9848440, 10138100, 11586400, 12310550, 13787816, 14069200, 16220960, 17234770, 19696880, 20276200, 24621100, 27575632, 28138400, 34469540, 39393760, 40552400, 43086925, 49242200, 55151264, 68939080, 81104800, 86173850, 98484400, 137878160, 172347700, 196968800, 275756320, 344695400, 689390800, 1378781600]

約数ペア:

[(1, 1378781600), (2, 689390800), (4, 344695400), (5, 275756320), (7, 196968800), (8, 172347700), (10, 137878160), (14, 98484400), (16, 86173850), (17, 81104800), (20, 68939080), (25, 55151264), (28, 49242200), (32, 43086925), (34, 40552400), (35, 39393760), (40, 34469540), (49, 28138400), (50, 27575632), (56, 24621100), (68, 20276200), (70, 19696880), (80, 17234770), (85, 16220960), (98, 14069200), (100, 13787816), (112, 12310550), (119, 11586400), (136, 10138100), (140, 9848440), (160, 8617385), (170, 8110480), (175, 7878752), (196, 7034600), (200, 6893908), (224, 6155275), (238, 5793200), (245, 5627680), (272, 5069050), (280, 4924220), (340, 4055240), (350, 3939376), (392, 3517300), (400, 3446954), (425, 3244192), (476, 2896600), (490, 2813840), (544, 2534525), (560, 2462110), (595, 2317280), (680, 2027620), (700, 1969688), (784, 1758650), (800, 1723477), (833, 1655200), (850, 1622096), (952, 1448300), (980, 1406920), (1120, 1231055), (1190, 1158640), (1225, 1125536), (1360, 1013810), (1400, 984844), (1568, 879325), (1666, 827600), (1700, 811048), (1904, 724150), (1960, 703460), (2069, 666400), (2380, 579320), (2450, 562768), (2720, 506905), (2800, 492422), (2975, 463456), (3332, 413800), (3400, 405524), (3808, 362075), (3920, 351730), (4138, 333200), (4165, 331040), (4760, 289660), (4900, 281384), (5600, 246211), (5950, 231728), (6664, 206900), (6800, 202762), (7840, 175865), (8276, 166600), (8330, 165520), (9520, 144830), (9800, 140692), (10345, 133280), (11900, 115864), (13328, 103450), (13600, 101381), (14483, 95200), (16552, 83300), (16660, 82760), (19040, 72415), (19600, 70346), (20690, 66640), (20825, 66208), (23800, 57932), (26656, 51725), (28966, 47600), (33104, 41650), (33320, 41380), (35173, 39200)]