418266880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 1054900224

約数和(自身を除く): 636633344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 127, 128, 155, 160, 166, 248, 254, 256, 310, 320, 332, 415, 496, 508, 620, 635, 640, 664, 830, 992, 1016, 1240, 1270, 1280, 1328, 1660, 1984, 2032, 2480, 2540, 2573, 2656, 3320, 3937, 3968, 4064, 4960, 5080, 5146, 5312, 6640, 7874, 7936, 8128, 9920, 10160, 10292, 10541, 10624, 12865, 13280, 15748, 16256, 19685, 19840, 20320, 20584, 21082, 21248, 25730, 26560, 31496, 32512, 39370, 39680, 40640, 41168, 42164, 51460, 52705, 53120, 62992, 78740, 81280, 82336, 84328, 102920, 105410, 106240, 125984, 157480, 162560, 164672, 168656, 205840, 210820, 251968, 314960, 326771, 329344, 337312, 411680, 421640, 503936, 629920, 653542, 658688, 674624, 823360, 843280, 1007872, 1259840, 1307084, 1349248, 1633855, 1646720, 1686560, 2519680, 2614168, 2698496, 3267710, 3293440, 3373120, 5039360, 5228336, 6535420, 6746240, 10456672, 13070840, 13492480, 20913344, 26141680, 41826688, 52283360, 83653376, 104566720, 209133440, 418266880]

約数ペア:

[(1, 418266880), (2, 209133440), (4, 104566720), (5, 83653376), (8, 52283360), (10, 41826688), (16, 26141680), (20, 20913344), (31, 13492480), (32, 13070840), (40, 10456672), (62, 6746240), (64, 6535420), (80, 5228336), (83, 5039360), (124, 3373120), (127, 3293440), (128, 3267710), (155, 2698496), (160, 2614168), (166, 2519680), (248, 1686560), (254, 1646720), (256, 1633855), (310, 1349248), (320, 1307084), (332, 1259840), (415, 1007872), (496, 843280), (508, 823360), (620, 674624), (635, 658688), (640, 653542), (664, 629920), (830, 503936), (992, 421640), (1016, 411680), (1240, 337312), (1270, 329344), (1280, 326771), (1328, 314960), (1660, 251968), (1984, 210820), (2032, 205840), (2480, 168656), (2540, 164672), (2573, 162560), (2656, 157480), (3320, 125984), (3937, 106240), (3968, 105410), (4064, 102920), (4960, 84328), (5080, 82336), (5146, 81280), (5312, 78740), (6640, 62992), (7874, 53120), (7936, 52705), (8128, 51460), (9920, 42164), (10160, 41168), (10292, 40640), (10541, 39680), (10624, 39370), (12865, 32512), (13280, 31496), (15748, 26560), (16256, 25730), (19685, 21248), (19840, 21082), (20320, 20584)]