1780450090280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{859}}^1\times {\mathrm{4297}}^1$

素因数の和:5587

約数の個数: 128

約数和(自身を含む): 4151661696000

約数和(自身を除く): 2371211605720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 389, 620, 778, 859, 1240, 1556, 1718, 1945, 3112, 3436, 3890, 4295, 4297, 6872, 7780, 8590, 8594, 12059, 15560, 17180, 17188, 21485, 24118, 26629, 34360, 34376, 42970, 48236, 53258, 60295, 85940, 96472, 106516, 120590, 133145, 133207, 171880, 213032, 241180, 266290, 266414, 334151, 482360, 532580, 532828, 666035, 668302, 1065160, 1065656, 1332070, 1336604, 1670755, 1671533, 2664140, 2673208, 3341510, 3343066, 3691123, 5328280, 6683020, 6686132, 7382246, 8357665, 10358681, 13366040, 13372264, 14764492, 16715330, 18455615, 20717362, 29528984, 33430660, 36911230, 41434724, 51793405, 51817523, 66861320, 73822460, 82869448, 103586810, 103635046, 114424813, 147644920, 207173620, 207270092, 228849626, 259087615, 414347240, 414540184, 457699252, 518175230, 572124065, 915398504, 1036350460, 1144248130, 1435846847, 2072700920, 2288496260, 2871693694, 4576992520, 5743387388, 7179234235, 11486774776, 14358468470, 28716936940, 44511252257, 57433873880, 89022504514, 178045009028, 222556261285, 356090018056, 445112522570, 890225045140, 1780450090280]

約数ペア:

[(1, 1780450090280), (2, 890225045140), (4, 445112522570), (5, 356090018056), (8, 222556261285), (10, 178045009028), (20, 89022504514), (31, 57433873880), (40, 44511252257), (62, 28716936940), (124, 14358468470), (155, 11486774776), (248, 7179234235), (310, 5743387388), (389, 4576992520), (620, 2871693694), (778, 2288496260), (859, 2072700920), (1240, 1435846847), (1556, 1144248130), (1718, 1036350460), (1945, 915398504), (3112, 572124065), (3436, 518175230), (3890, 457699252), (4295, 414540184), (4297, 414347240), (6872, 259087615), (7780, 228849626), (8590, 207270092), (8594, 207173620), (12059, 147644920), (15560, 114424813), (17180, 103635046), (17188, 103586810), (21485, 82869448), (24118, 73822460), (26629, 66861320), (34360, 51817523), (34376, 51793405), (42970, 41434724), (48236, 36911230), (53258, 33430660), (60295, 29528984), (85940, 20717362), (96472, 18455615), (106516, 16715330), (120590, 14764492), (133145, 13372264), (133207, 13366040), (171880, 10358681), (213032, 8357665), (241180, 7382246), (266290, 6686132), (266414, 6683020), (334151, 5328280), (482360, 3691123), (532580, 3343066), (532828, 3341510), (666035, 2673208), (668302, 2664140), (1065160, 1671533), (1065656, 1670755), (1332070, 1336604)]