64818192640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{19681}}^1$

素因数の和:19816

約数の個数: 144

約数和(自身を含む): 162207392256

約数和(自身を除く): 97389199616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 128, 155, 160, 166, 248, 256, 310, 320, 332, 415, 496, 620, 640, 664, 830, 992, 1240, 1280, 1328, 1660, 1984, 2480, 2573, 2656, 3320, 3968, 4960, 5146, 5312, 6640, 7936, 9920, 10292, 10624, 12865, 13280, 19681, 19840, 20584, 21248, 25730, 26560, 39362, 39680, 41168, 51460, 53120, 78724, 82336, 98405, 102920, 106240, 157448, 164672, 196810, 205840, 314896, 329344, 393620, 411680, 610111, 629792, 658688, 787240, 823360, 1220222, 1259584, 1574480, 1633523, 1646720, 2440444, 2519168, 3050555, 3148960, 3267046, 3293440, 4880888, 5038336, 6101110, 6297920, 6534092, 8167615, 9761776, 12202220, 12595840, 13068184, 16335230, 19523552, 24404440, 25191680, 26136368, 32670460, 39047104, 48808880, 50639213, 52272736, 65340920, 78094208, 97617760, 101278426, 104545472, 130681840, 156188416, 195235520, 202556852, 209090944, 253196065, 261363680, 390471040, 405113704, 418181888, 506392130, 522727360, 780942080, 810227408, 1012784260, 1045454720, 1620454816, 2025568520, 2090909440, 3240909632, 4051137040, 6481819264, 8102274080, 12963638528, 16204548160, 32409096320, 64818192640]

約数ペア:

[(1, 64818192640), (2, 32409096320), (4, 16204548160), (5, 12963638528), (8, 8102274080), (10, 6481819264), (16, 4051137040), (20, 3240909632), (31, 2090909440), (32, 2025568520), (40, 1620454816), (62, 1045454720), (64, 1012784260), (80, 810227408), (83, 780942080), (124, 522727360), (128, 506392130), (155, 418181888), (160, 405113704), (166, 390471040), (248, 261363680), (256, 253196065), (310, 209090944), (320, 202556852), (332, 195235520), (415, 156188416), (496, 130681840), (620, 104545472), (640, 101278426), (664, 97617760), (830, 78094208), (992, 65340920), (1240, 52272736), (1280, 50639213), (1328, 48808880), (1660, 39047104), (1984, 32670460), (2480, 26136368), (2573, 25191680), (2656, 24404440), (3320, 19523552), (3968, 16335230), (4960, 13068184), (5146, 12595840), (5312, 12202220), (6640, 9761776), (7936, 8167615), (9920, 6534092), (10292, 6297920), (10624, 6101110), (12865, 5038336), (13280, 4880888), (19681, 3293440), (19840, 3267046), (20584, 3148960), (21248, 3050555), (25730, 2519168), (26560, 2440444), (39362, 1646720), (39680, 1633523), (41168, 1574480), (51460, 1259584), (53120, 1220222), (78724, 823360), (82336, 787240), (98405, 658688), (102920, 629792), (106240, 610111), (157448, 411680), (164672, 393620), (196810, 329344), (205840, 314896)]