16205371520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:903

約数の個数: 256

約数和(自身を含む): 43643335680

約数和(自身を除く): 27437964160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 83, 104, 124, 128, 130, 155, 160, 166, 208, 248, 260, 310, 320, 332, 403, 415, 416, 496, 520, 620, 640, 664, 757, 806, 830, 832, 992, 1040, 1079, 1240, 1328, 1514, 1612, 1660, 1664, 1984, 2015, 2080, 2158, 2480, 2573, 2656, 3028, 3224, 3320, 3785, 3968, 4030, 4160, 4316, 4960, 5146, 5312, 5395, 6056, 6448, 6640, 7570, 8060, 8320, 8632, 9841, 9920, 10292, 10624, 10790, 12112, 12865, 12896, 13280, 15140, 16120, 17264, 19682, 19840, 20584, 21580, 23467, 24224, 25730, 25792, 26560, 30280, 32240, 33449, 34528, 39364, 41168, 43160, 46934, 48448, 49205, 51460, 51584, 53120, 60560, 62831, 64480, 66898, 69056, 78728, 82336, 86320, 93868, 96896, 98410, 102920, 117335, 121120, 125662, 128960, 133796, 138112, 157456, 164672, 167245, 172640, 187736, 196820, 205840, 234670, 242240, 251324, 257920, 267592, 305071, 314155, 314912, 329344, 334490, 345280, 375472, 393640, 411680, 469340, 484480, 502648, 535184, 610142, 628310, 629824, 668980, 690560, 750944, 787280, 816803, 823360, 938680, 1005296, 1070368, 1220284, 1256620, 1259648, 1337960, 1501888, 1525355, 1574560, 1633606, 1646720, 1877360, 1947761, 2010592, 2140736, 2440568, 2513240, 2675920, 3003776, 3050710, 3149120, 3267212, 3754720, 3895522, 4021184, 4084015, 4281472, 4881136, 5026480, 5351840, 6101420, 6298240, 6534424, 7509440, 7791044, 8042368, 8168030, 9738805, 9762272, 10052960, 10703680, 12202840, 13068848, 15018880, 15582088, 16336060, 19477610, 19524544, 20105920, 21407360, 24405680, 25320893, 26137696, 31164176, 32672120, 38955220, 39049088, 40211840, 48811360, 50641786, 52275392, 62328352, 65344240, 77910440, 97622720, 101283572, 104550784, 124656704, 126604465, 130688480, 155820880, 195245440, 202567144, 249313408, 253208930, 261376960, 311641760, 405134288, 506417860, 522753920, 623283520, 810268576, 1012835720, 1246567040, 1620537152, 2025671440, 3241074304, 4051342880, 8102685760, 16205371520]

約数ペア:

[(1, 16205371520), (2, 8102685760), (4, 4051342880), (5, 3241074304), (8, 2025671440), (10, 1620537152), (13, 1246567040), (16, 1012835720), (20, 810268576), (26, 623283520), (31, 522753920), (32, 506417860), (40, 405134288), (52, 311641760), (62, 261376960), (64, 253208930), (65, 249313408), (80, 202567144), (83, 195245440), (104, 155820880), (124, 130688480), (128, 126604465), (130, 124656704), (155, 104550784), (160, 101283572), (166, 97622720), (208, 77910440), (248, 65344240), (260, 62328352), (310, 52275392), (320, 50641786), (332, 48811360), (403, 40211840), (415, 39049088), (416, 38955220), (496, 32672120), (520, 31164176), (620, 26137696), (640, 25320893), (664, 24405680), (757, 21407360), (806, 20105920), (830, 19524544), (832, 19477610), (992, 16336060), (1040, 15582088), (1079, 15018880), (1240, 13068848), (1328, 12202840), (1514, 10703680), (1612, 10052960), (1660, 9762272), (1664, 9738805), (1984, 8168030), (2015, 8042368), (2080, 7791044), (2158, 7509440), (2480, 6534424), (2573, 6298240), (2656, 6101420), (3028, 5351840), (3224, 5026480), (3320, 4881136), (3785, 4281472), (3968, 4084015), (4030, 4021184), (4160, 3895522), (4316, 3754720), (4960, 3267212), (5146, 3149120), (5312, 3050710), (5395, 3003776), (6056, 2675920), (6448, 2513240), (6640, 2440568), (7570, 2140736), (8060, 2010592), (8320, 1947761), (8632, 1877360), (9841, 1646720), (9920, 1633606), (10292, 1574560), (10624, 1525355), (10790, 1501888), (12112, 1337960), (12865, 1259648), (12896, 1256620), (13280, 1220284), (15140, 1070368), (16120, 1005296), (17264, 938680), (19682, 823360), (19840, 816803), (20584, 787280), (21580, 750944), (23467, 690560), (24224, 668980), (25730, 629824), (25792, 628310), (26560, 610142), (30280, 535184), (32240, 502648), (33449, 484480), (34528, 469340), (39364, 411680), (41168, 393640), (43160, 375472), (46934, 345280), (48448, 334490), (49205, 329344), (51460, 314912), (51584, 314155), (53120, 305071), (60560, 267592), (62831, 257920), (64480, 251324), (66898, 242240), (69056, 234670), (78728, 205840), (82336, 196820), (86320, 187736), (93868, 172640), (96896, 167245), (98410, 164672), (102920, 157456), (117335, 138112), (121120, 133796), (125662, 128960)]