654665440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 1912522752

約数和(自身を除く): 1257857312

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 71, 80, 88, 104, 110, 124, 130, 142, 143, 155, 160, 169, 176, 208, 220, 248, 260, 284, 286, 310, 338, 341, 352, 355, 403, 416, 440, 496, 520, 568, 572, 620, 676, 682, 710, 715, 781, 806, 845, 880, 923, 992, 1040, 1136, 1144, 1240, 1352, 1364, 1420, 1430, 1562, 1612, 1690, 1705, 1760, 1846, 1859, 2015, 2080, 2201, 2272, 2288, 2480, 2704, 2728, 2840, 2860, 3124, 3224, 3380, 3410, 3692, 3718, 3905, 4030, 4402, 4433, 4576, 4615, 4960, 5239, 5408, 5456, 5680, 5720, 6248, 6448, 6760, 6820, 7384, 7436, 7810, 8060, 8804, 8866, 9230, 9295, 10153, 10478, 10912, 11005, 11360, 11440, 11999, 12496, 12896, 13520, 13640, 14768, 14872, 15620, 16120, 17608, 17732, 18460, 18590, 20306, 20956, 22010, 22165, 22880, 23998, 24211, 24992, 26195, 27040, 27280, 28613, 29536, 29744, 31240, 32240, 35216, 35464, 36920, 37180, 40612, 41912, 44020, 44330, 47996, 48422, 50765, 52390, 54560, 57226, 57629, 59488, 59995, 62480, 64480, 70432, 70928, 73840, 74360, 81224, 83824, 88040, 88660, 95992, 96844, 101530, 104780, 114452, 115258, 119990, 121055, 124960, 131989, 141856, 143065, 147680, 148720, 162448, 167648, 176080, 177320, 191984, 193688, 203060, 209560, 228904, 230516, 239980, 242110, 263978, 286130, 288145, 297440, 314743, 324896, 352160, 354640, 371969, 383968, 387376, 406120, 419120, 457808, 461032, 479960, 484220, 527956, 572260, 576290, 629486, 659945, 709280, 743938, 774752, 812240, 838240, 915616, 922064, 959920, 968440, 1055912, 1144520, 1152580, 1258972, 1319890, 1487876, 1573715, 1624480, 1844128, 1859845, 1919840, 1936880, 2111824, 2289040, 2305160, 2517944, 2639780, 2975752, 3147430, 3719690, 3873760, 4091659, 4223648, 4578080, 4610320, 5035888, 5279560, 5951504, 6294860, 7439380, 8183318, 9220640, 10071776, 10559120, 11903008, 12589720, 14878760, 16366636, 20458295, 21118240, 25179440, 29757520, 32733272, 40916590, 50358880, 59515040, 65466544, 81833180, 130933088, 163666360, 327332720, 654665440]

約数ペア:

[(1, 654665440), (2, 327332720), (4, 163666360), (5, 130933088), (8, 81833180), (10, 65466544), (11, 59515040), (13, 50358880), (16, 40916590), (20, 32733272), (22, 29757520), (26, 25179440), (31, 21118240), (32, 20458295), (40, 16366636), (44, 14878760), (52, 12589720), (55, 11903008), (62, 10559120), (65, 10071776), (71, 9220640), (80, 8183318), (88, 7439380), (104, 6294860), (110, 5951504), (124, 5279560), (130, 5035888), (142, 4610320), (143, 4578080), (155, 4223648), (160, 4091659), (169, 3873760), (176, 3719690), (208, 3147430), (220, 2975752), (248, 2639780), (260, 2517944), (284, 2305160), (286, 2289040), (310, 2111824), (338, 1936880), (341, 1919840), (352, 1859845), (355, 1844128), (403, 1624480), (416, 1573715), (440, 1487876), (496, 1319890), (520, 1258972), (568, 1152580), (572, 1144520), (620, 1055912), (676, 968440), (682, 959920), (710, 922064), (715, 915616), (781, 838240), (806, 812240), (845, 774752), (880, 743938), (923, 709280), (992, 659945), (1040, 629486), (1136, 576290), (1144, 572260), (1240, 527956), (1352, 484220), (1364, 479960), (1420, 461032), (1430, 457808), (1562, 419120), (1612, 406120), (1690, 387376), (1705, 383968), (1760, 371969), (1846, 354640), (1859, 352160), (2015, 324896), (2080, 314743), (2201, 297440), (2272, 288145), (2288, 286130), (2480, 263978), (2704, 242110), (2728, 239980), (2840, 230516), (2860, 228904), (3124, 209560), (3224, 203060), (3380, 193688), (3410, 191984), (3692, 177320), (3718, 176080), (3905, 167648), (4030, 162448), (4402, 148720), (4433, 147680), (4576, 143065), (4615, 141856), (4960, 131989), (5239, 124960), (5408, 121055), (5456, 119990), (5680, 115258), (5720, 114452), (6248, 104780), (6448, 101530), (6760, 96844), (6820, 95992), (7384, 88660), (7436, 88040), (7810, 83824), (8060, 81224), (8804, 74360), (8866, 73840), (9230, 70928), (9295, 70432), (10153, 64480), (10478, 62480), (10912, 59995), (11005, 59488), (11360, 57629), (11440, 57226), (11999, 54560), (12496, 52390), (12896, 50765), (13520, 48422), (13640, 47996), (14768, 44330), (14872, 44020), (15620, 41912), (16120, 40612), (17608, 37180), (17732, 36920), (18460, 35464), (18590, 35216), (20306, 32240), (20956, 31240), (22010, 29744), (22165, 29536), (22880, 28613), (23998, 27280), (24211, 27040), (24992, 26195)]