216665820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 814141440

約数和(自身を除く): 597475620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 43, 45, 54, 60, 62, 63, 70, 84, 86, 90, 93, 105, 108, 124, 126, 129, 135, 140, 155, 172, 180, 186, 189, 210, 215, 217, 252, 258, 270, 279, 301, 310, 315, 372, 378, 387, 420, 430, 434, 465, 516, 540, 558, 602, 620, 630, 645, 651, 756, 774, 837, 860, 868, 903, 930, 945, 1085, 1116, 1161, 1204, 1260, 1290, 1302, 1333, 1395, 1505, 1548, 1674, 1806, 1849, 1860, 1890, 1935, 1953, 2170, 2322, 2580, 2604, 2666, 2709, 2790, 3010, 3255, 3348, 3612, 3698, 3780, 3870, 3906, 3999, 4185, 4340, 4515, 4644, 5332, 5418, 5547, 5580, 5805, 5859, 6020, 6510, 6665, 7396, 7740, 7812, 7998, 8127, 8370, 9030, 9245, 9331, 9765, 10836, 11094, 11610, 11718, 11997, 12943, 13020, 13330, 13545, 15996, 16254, 16641, 16740, 18060, 18490, 18662, 19530, 19995, 22188, 23220, 23436, 23994, 25886, 26660, 27090, 27735, 27993, 29295, 32508, 33282, 35991, 36980, 37324, 38829, 39060, 39990, 40635, 46655, 47988, 49923, 51772, 54180, 55470, 55986, 57319, 58590, 59985, 64715, 66564, 71982, 77658, 79980, 81270, 83205, 83979, 93310, 99846, 110940, 111972, 114638, 116487, 117180, 119970, 129430, 139965, 143964, 155316, 162540, 166410, 167958, 171957, 179955, 186620, 194145, 199692, 229276, 232974, 239940, 249615, 251937, 258860, 279930, 286595, 332820, 335916, 343914, 349461, 359910, 388290, 401233, 419895, 465948, 499230, 503874, 515871, 559860, 573190, 582435, 687828, 698922, 719820, 776580, 802466, 839790, 859785, 998460, 1007748, 1031742, 1146380, 1164870, 1203699, 1259685, 1397844, 1547613, 1604932, 1679580, 1719570, 1747305, 2006165, 2063484, 2329740, 2407398, 2519370, 2579355, 3095226, 3439140, 3494610, 3611097, 4012330, 4814796, 5038740, 5158710, 6018495, 6190452, 6989220, 7222194, 7738065, 8024660, 10317420, 10833291, 12036990, 14444388, 15476130, 18055485, 21666582, 24073980, 30952260, 36110970, 43333164, 54166455, 72221940, 108332910, 216665820]

約数ペア:

[(1, 216665820), (2, 108332910), (3, 72221940), (4, 54166455), (5, 43333164), (6, 36110970), (7, 30952260), (9, 24073980), (10, 21666582), (12, 18055485), (14, 15476130), (15, 14444388), (18, 12036990), (20, 10833291), (21, 10317420), (27, 8024660), (28, 7738065), (30, 7222194), (31, 6989220), (35, 6190452), (36, 6018495), (42, 5158710), (43, 5038740), (45, 4814796), (54, 4012330), (60, 3611097), (62, 3494610), (63, 3439140), (70, 3095226), (84, 2579355), (86, 2519370), (90, 2407398), (93, 2329740), (105, 2063484), (108, 2006165), (124, 1747305), (126, 1719570), (129, 1679580), (135, 1604932), (140, 1547613), (155, 1397844), (172, 1259685), (180, 1203699), (186, 1164870), (189, 1146380), (210, 1031742), (215, 1007748), (217, 998460), (252, 859785), (258, 839790), (270, 802466), (279, 776580), (301, 719820), (310, 698922), (315, 687828), (372, 582435), (378, 573190), (387, 559860), (420, 515871), (430, 503874), (434, 499230), (465, 465948), (516, 419895), (540, 401233), (558, 388290), (602, 359910), (620, 349461), (630, 343914), (645, 335916), (651, 332820), (756, 286595), (774, 279930), (837, 258860), (860, 251937), (868, 249615), (903, 239940), (930, 232974), (945, 229276), (1085, 199692), (1116, 194145), (1161, 186620), (1204, 179955), (1260, 171957), (1290, 167958), (1302, 166410), (1333, 162540), (1395, 155316), (1505, 143964), (1548, 139965), (1674, 129430), (1806, 119970), (1849, 117180), (1860, 116487), (1890, 114638), (1935, 111972), (1953, 110940), (2170, 99846), (2322, 93310), (2580, 83979), (2604, 83205), (2666, 81270), (2709, 79980), (2790, 77658), (3010, 71982), (3255, 66564), (3348, 64715), (3612, 59985), (3698, 58590), (3780, 57319), (3870, 55986), (3906, 55470), (3999, 54180), (4185, 51772), (4340, 49923), (4515, 47988), (4644, 46655), (5332, 40635), (5418, 39990), (5547, 39060), (5580, 38829), (5805, 37324), (5859, 36980), (6020, 35991), (6510, 33282), (6665, 32508), (7396, 29295), (7740, 27993), (7812, 27735), (7998, 27090), (8127, 26660), (8370, 25886), (9030, 23994), (9245, 23436), (9331, 23220), (9765, 22188), (10836, 19995), (11094, 19530), (11610, 18662), (11718, 18490), (11997, 18060), (12943, 16740), (13020, 16641), (13330, 16254), (13545, 15996)]