661309740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:941

約数の個数: 288

約数和(自身を含む): 2524354560

約数和(自身を除く): 1863044820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 47, 52, 60, 63, 65, 70, 78, 84, 90, 91, 94, 105, 117, 126, 130, 140, 141, 156, 180, 182, 188, 195, 210, 234, 235, 252, 260, 273, 282, 315, 329, 364, 390, 420, 423, 455, 468, 470, 546, 564, 585, 611, 630, 658, 705, 780, 819, 846, 859, 910, 940, 987, 1092, 1170, 1222, 1260, 1316, 1365, 1410, 1638, 1645, 1692, 1718, 1820, 1833, 1974, 2115, 2340, 2444, 2577, 2730, 2820, 2961, 3055, 3276, 3290, 3436, 3666, 3948, 4095, 4230, 4277, 4295, 4935, 5154, 5460, 5499, 5922, 6013, 6110, 6580, 7332, 7731, 8190, 8460, 8554, 8590, 9165, 9870, 10308, 10998, 11167, 11844, 12026, 12220, 12831, 12885, 14805, 15462, 16380, 17108, 17180, 18039, 18330, 19740, 21385, 21996, 22334, 24052, 25662, 25770, 27495, 29610, 30065, 30924, 33501, 36078, 36660, 38493, 38655, 40373, 42770, 44668, 51324, 51540, 54117, 54990, 55835, 59220, 60130, 64155, 67002, 72156, 76986, 77310, 78169, 80746, 85540, 90195, 100503, 108234, 109980, 111670, 120260, 121119, 128310, 134004, 153972, 154620, 156338, 161492, 167505, 180390, 192465, 201006, 201865, 216468, 223340, 234507, 242238, 256620, 270585, 282611, 312676, 335010, 360780, 363357, 384930, 390845, 402012, 403730, 469014, 484476, 502515, 524849, 541170, 565222, 605595, 670020, 703521, 726714, 769860, 781690, 807460, 847833, 938028, 1005030, 1049698, 1082340, 1130444, 1172535, 1211190, 1407042, 1413055, 1453428, 1563380, 1574547, 1695666, 1816785, 2010060, 2099396, 2345070, 2422380, 2543499, 2624245, 2814084, 2826110, 3149094, 3391332, 3517605, 3633570, 3673943, 4239165, 4690140, 4723641, 5086998, 5248490, 5652220, 6298188, 7035210, 7267140, 7347886, 7872735, 8478330, 9447282, 10173996, 10496980, 11021829, 12717495, 14070420, 14695772, 15745470, 16956660, 18369715, 18894564, 22043658, 23618205, 25434990, 31490940, 33065487, 36739430, 44087316, 47236410, 50869980, 55109145, 66130974, 73478860, 94472820, 110218290, 132261948, 165327435, 220436580, 330654870, 661309740]

約数ペア:

[(1, 661309740), (2, 330654870), (3, 220436580), (4, 165327435), (5, 132261948), (6, 110218290), (7, 94472820), (9, 73478860), (10, 66130974), (12, 55109145), (13, 50869980), (14, 47236410), (15, 44087316), (18, 36739430), (20, 33065487), (21, 31490940), (26, 25434990), (28, 23618205), (30, 22043658), (35, 18894564), (36, 18369715), (39, 16956660), (42, 15745470), (45, 14695772), (47, 14070420), (52, 12717495), (60, 11021829), (63, 10496980), (65, 10173996), (70, 9447282), (78, 8478330), (84, 7872735), (90, 7347886), (91, 7267140), (94, 7035210), (105, 6298188), (117, 5652220), (126, 5248490), (130, 5086998), (140, 4723641), (141, 4690140), (156, 4239165), (180, 3673943), (182, 3633570), (188, 3517605), (195, 3391332), (210, 3149094), (234, 2826110), (235, 2814084), (252, 2624245), (260, 2543499), (273, 2422380), (282, 2345070), (315, 2099396), (329, 2010060), (364, 1816785), (390, 1695666), (420, 1574547), (423, 1563380), (455, 1453428), (468, 1413055), (470, 1407042), (546, 1211190), (564, 1172535), (585, 1130444), (611, 1082340), (630, 1049698), (658, 1005030), (705, 938028), (780, 847833), (819, 807460), (846, 781690), (859, 769860), (910, 726714), (940, 703521), (987, 670020), (1092, 605595), (1170, 565222), (1222, 541170), (1260, 524849), (1316, 502515), (1365, 484476), (1410, 469014), (1638, 403730), (1645, 402012), (1692, 390845), (1718, 384930), (1820, 363357), (1833, 360780), (1974, 335010), (2115, 312676), (2340, 282611), (2444, 270585), (2577, 256620), (2730, 242238), (2820, 234507), (2961, 223340), (3055, 216468), (3276, 201865), (3290, 201006), (3436, 192465), (3666, 180390), (3948, 167505), (4095, 161492), (4230, 156338), (4277, 154620), (4295, 153972), (4935, 134004), (5154, 128310), (5460, 121119), (5499, 120260), (5922, 111670), (6013, 109980), (6110, 108234), (6580, 100503), (7332, 90195), (7731, 85540), (8190, 80746), (8460, 78169), (8554, 77310), (8590, 76986), (9165, 72156), (9870, 67002), (10308, 64155), (10998, 60130), (11167, 59220), (11844, 55835), (12026, 54990), (12220, 54117), (12831, 51540), (12885, 51324), (14805, 44668), (15462, 42770), (16380, 40373), (17108, 38655), (17180, 38493), (18039, 36660), (18330, 36078), (19740, 33501), (21385, 30924), (21996, 30065), (22334, 29610), (24052, 27495), (25662, 25770)]