180578720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 144

約数和(自身を含む): 512967168

約数和(自身を除く): 332388448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 743, 784, 868, 980, 992, 1085, 1120, 1240, 1486, 1519, 1568, 1736, 1960, 2170, 2480, 2972, 3038, 3472, 3715, 3920, 4340, 4960, 5201, 5944, 6076, 6944, 7430, 7595, 7840, 8680, 10402, 11888, 12152, 14860, 15190, 17360, 20804, 23033, 23776, 24304, 26005, 29720, 30380, 34720, 36407, 41608, 46066, 48608, 52010, 59440, 60760, 72814, 83216, 92132, 104020, 115165, 118880, 121520, 145628, 161231, 166432, 182035, 184264, 208040, 230330, 243040, 291256, 322462, 364070, 368528, 416080, 460660, 582512, 644924, 728140, 737056, 806155, 832160, 921320, 1128617, 1165024, 1289848, 1456280, 1612310, 1842640, 2257234, 2579696, 2912560, 3224620, 3685280, 4514468, 5159392, 5643085, 5825120, 6449240, 9028936, 11286170, 12898480, 18057872, 22572340, 25796960, 36115744, 45144680, 90289360, 180578720]

約数ペア:

[(1, 180578720), (2, 90289360), (4, 45144680), (5, 36115744), (7, 25796960), (8, 22572340), (10, 18057872), (14, 12898480), (16, 11286170), (20, 9028936), (28, 6449240), (31, 5825120), (32, 5643085), (35, 5159392), (40, 4514468), (49, 3685280), (56, 3224620), (62, 2912560), (70, 2579696), (80, 2257234), (98, 1842640), (112, 1612310), (124, 1456280), (140, 1289848), (155, 1165024), (160, 1128617), (196, 921320), (217, 832160), (224, 806155), (245, 737056), (248, 728140), (280, 644924), (310, 582512), (392, 460660), (434, 416080), (490, 368528), (496, 364070), (560, 322462), (620, 291256), (743, 243040), (784, 230330), (868, 208040), (980, 184264), (992, 182035), (1085, 166432), (1120, 161231), (1240, 145628), (1486, 121520), (1519, 118880), (1568, 115165), (1736, 104020), (1960, 92132), (2170, 83216), (2480, 72814), (2972, 60760), (3038, 59440), (3472, 52010), (3715, 48608), (3920, 46066), (4340, 41608), (4960, 36407), (5201, 34720), (5944, 30380), (6076, 29720), (6944, 26005), (7430, 24304), (7595, 23776), (7840, 23033), (8680, 20804), (10402, 17360), (11888, 15190), (12152, 14860)]