1628611040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6701}}^1$

素因数の和:6761

約数の個数: 144

約数和(自身を含む): 4620841344

約数和(自身を除く): 2992230304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 4960, 6076, 6701, 6944, 7595, 7840, 8680, 12152, 13402, 15190, 17360, 24304, 26804, 30380, 33505, 34720, 46907, 48608, 53608, 60760, 67010, 93814, 107216, 121520, 134020, 187628, 207731, 214432, 234535, 243040, 268040, 328349, 375256, 415462, 469070, 536080, 656698, 750512, 830924, 938140, 1038655, 1072160, 1313396, 1454117, 1501024, 1641745, 1661848, 1876280, 2077310, 2626792, 2908234, 3283490, 3323696, 3752560, 4154620, 5253584, 5816468, 6566980, 6647392, 7270585, 7505120, 8309240, 10178819, 10507168, 11632936, 13133960, 14541170, 16618480, 20357638, 23265872, 26267920, 29082340, 33236960, 40715276, 46531744, 50894095, 52535840, 58164680, 81430552, 101788190, 116329360, 162861104, 203576380, 232658720, 325722208, 407152760, 814305520, 1628611040]

約数ペア:

[(1, 1628611040), (2, 814305520), (4, 407152760), (5, 325722208), (7, 232658720), (8, 203576380), (10, 162861104), (14, 116329360), (16, 101788190), (20, 81430552), (28, 58164680), (31, 52535840), (32, 50894095), (35, 46531744), (40, 40715276), (49, 33236960), (56, 29082340), (62, 26267920), (70, 23265872), (80, 20357638), (98, 16618480), (112, 14541170), (124, 13133960), (140, 11632936), (155, 10507168), (160, 10178819), (196, 8309240), (217, 7505120), (224, 7270585), (245, 6647392), (248, 6566980), (280, 5816468), (310, 5253584), (392, 4154620), (434, 3752560), (490, 3323696), (496, 3283490), (560, 2908234), (620, 2626792), (784, 2077310), (868, 1876280), (980, 1661848), (992, 1641745), (1085, 1501024), (1120, 1454117), (1240, 1313396), (1519, 1072160), (1568, 1038655), (1736, 938140), (1960, 830924), (2170, 750512), (2480, 656698), (3038, 536080), (3472, 469070), (3920, 415462), (4340, 375256), (4960, 328349), (6076, 268040), (6701, 243040), (6944, 234535), (7595, 214432), (7840, 207731), (8680, 187628), (12152, 134020), (13402, 121520), (15190, 107216), (17360, 93814), (24304, 67010), (26804, 60760), (30380, 53608), (33505, 48608), (34720, 46907)]