1980174720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4013}}^1$

素因数の和:4292

約数の個数: 128

約数和(自身を含む): 6337945440

約数和(自身を除く): 4357770720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 257, 320, 384, 480, 514, 640, 771, 960, 1028, 1285, 1542, 1920, 2056, 2570, 3084, 3855, 4013, 4112, 5140, 6168, 7710, 8026, 8224, 10280, 12039, 12336, 15420, 16052, 16448, 20065, 20560, 24078, 24672, 30840, 32104, 32896, 40130, 41120, 48156, 49344, 60195, 61680, 64208, 80260, 82240, 96312, 98688, 120390, 123360, 128416, 160520, 164480, 192624, 240780, 246720, 256832, 321040, 385248, 481560, 493440, 513664, 642080, 770496, 963120, 1031341, 1284160, 1540992, 1926240, 2062682, 2568320, 3094023, 3852480, 4125364, 5156705, 6188046, 7704960, 8250728, 10313410, 12376092, 15470115, 16501456, 20626820, 24752184, 30940230, 33002912, 41253640, 49504368, 61880460, 66005824, 82507280, 99008736, 123760920, 132011648, 165014560, 198017472, 247521840, 330029120, 396034944, 495043680, 660058240, 990087360, 1980174720]

約数ペア:

[(1, 1980174720), (2, 990087360), (3, 660058240), (4, 495043680), (5, 396034944), (6, 330029120), (8, 247521840), (10, 198017472), (12, 165014560), (15, 132011648), (16, 123760920), (20, 99008736), (24, 82507280), (30, 66005824), (32, 61880460), (40, 49504368), (48, 41253640), (60, 33002912), (64, 30940230), (80, 24752184), (96, 20626820), (120, 16501456), (128, 15470115), (160, 12376092), (192, 10313410), (240, 8250728), (257, 7704960), (320, 6188046), (384, 5156705), (480, 4125364), (514, 3852480), (640, 3094023), (771, 2568320), (960, 2062682), (1028, 1926240), (1285, 1540992), (1542, 1284160), (1920, 1031341), (2056, 963120), (2570, 770496), (3084, 642080), (3855, 513664), (4013, 493440), (4112, 481560), (5140, 385248), (6168, 321040), (7710, 256832), (8026, 246720), (8224, 240780), (10280, 192624), (12039, 164480), (12336, 160520), (15420, 128416), (16052, 123360), (16448, 120390), (20065, 98688), (20560, 96312), (24078, 82240), (24672, 80260), (30840, 64208), (32104, 61680), (32896, 60195), (40130, 49344), (41120, 48156)]