398980800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:400

約数の個数: 252

約数和(自身を含む): 1437162480

約数和(自身を除く): 1038181680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 103, 120, 144, 150, 160, 180, 192, 200, 206, 225, 240, 269, 288, 300, 309, 320, 360, 400, 412, 450, 480, 515, 538, 576, 600, 618, 720, 800, 807, 824, 900, 927, 960, 1030, 1076, 1200, 1236, 1345, 1440, 1545, 1600, 1614, 1648, 1800, 1854, 2060, 2152, 2400, 2421, 2472, 2575, 2690, 2880, 3090, 3228, 3296, 3600, 3708, 4035, 4120, 4304, 4635, 4800, 4842, 4944, 5150, 5380, 6180, 6456, 6592, 6725, 7200, 7416, 7725, 8070, 8240, 8608, 9270, 9684, 9888, 10300, 10760, 12105, 12360, 12912, 13450, 14400, 14832, 15450, 16140, 16480, 17216, 18540, 19368, 19776, 20175, 20600, 21520, 23175, 24210, 24720, 25824, 26900, 27707, 29664, 30900, 32280, 32960, 37080, 38736, 40350, 41200, 43040, 46350, 48420, 49440, 51648, 53800, 55414, 59328, 60525, 61800, 64560, 74160, 77472, 80700, 82400, 83121, 86080, 92700, 96840, 98880, 107600, 110828, 121050, 123600, 129120, 138535, 148320, 154944, 161400, 164800, 166242, 185400, 193680, 215200, 221656, 242100, 247200, 249363, 258240, 277070, 296640, 322800, 332484, 370800, 387360, 415605, 430400, 443312, 484200, 494400, 498726, 554140, 645600, 664968, 692675, 741600, 774720, 831210, 886624, 968400, 997452, 1108280, 1246815, 1291200, 1329936, 1385350, 1483200, 1662420, 1773248, 1936800, 1994904, 2078025, 2216560, 2493630, 2659872, 2770700, 3324840, 3873600, 3989808, 4156050, 4433120, 4987260, 5319744, 5541400, 6234075, 6649680, 7979616, 8312100, 8866240, 9974520, 11082800, 12468150, 13299360, 15959232, 16624200, 19949040, 22165600, 24936300, 26598720, 33248400, 39898080, 44331200, 49872600, 66496800, 79796160, 99745200, 132993600, 199490400, 398980800]

約数ペア:

[(1, 398980800), (2, 199490400), (3, 132993600), (4, 99745200), (5, 79796160), (6, 66496800), (8, 49872600), (9, 44331200), (10, 39898080), (12, 33248400), (15, 26598720), (16, 24936300), (18, 22165600), (20, 19949040), (24, 16624200), (25, 15959232), (30, 13299360), (32, 12468150), (36, 11082800), (40, 9974520), (45, 8866240), (48, 8312100), (50, 7979616), (60, 6649680), (64, 6234075), (72, 5541400), (75, 5319744), (80, 4987260), (90, 4433120), (96, 4156050), (100, 3989808), (103, 3873600), (120, 3324840), (144, 2770700), (150, 2659872), (160, 2493630), (180, 2216560), (192, 2078025), (200, 1994904), (206, 1936800), (225, 1773248), (240, 1662420), (269, 1483200), (288, 1385350), (300, 1329936), (309, 1291200), (320, 1246815), (360, 1108280), (400, 997452), (412, 968400), (450, 886624), (480, 831210), (515, 774720), (538, 741600), (576, 692675), (600, 664968), (618, 645600), (720, 554140), (800, 498726), (807, 494400), (824, 484200), (900, 443312), (927, 430400), (960, 415605), (1030, 387360), (1076, 370800), (1200, 332484), (1236, 322800), (1345, 296640), (1440, 277070), (1545, 258240), (1600, 249363), (1614, 247200), (1648, 242100), (1800, 221656), (1854, 215200), (2060, 193680), (2152, 185400), (2400, 166242), (2421, 164800), (2472, 161400), (2575, 154944), (2690, 148320), (2880, 138535), (3090, 129120), (3228, 123600), (3296, 121050), (3600, 110828), (3708, 107600), (4035, 98880), (4120, 96840), (4304, 92700), (4635, 86080), (4800, 83121), (4842, 82400), (4944, 80700), (5150, 77472), (5380, 74160), (6180, 64560), (6456, 61800), (6592, 60525), (6725, 59328), (7200, 55414), (7416, 53800), (7725, 51648), (8070, 49440), (8240, 48420), (8608, 46350), (9270, 43040), (9684, 41200), (9888, 40350), (10300, 38736), (10760, 37080), (12105, 32960), (12360, 32280), (12912, 30900), (13450, 29664), (14400, 27707), (14832, 26900), (15450, 25824), (16140, 24720), (16480, 24210), (17216, 23175), (18540, 21520), (19368, 20600), (19776, 20175)]