1983190720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1601}}^1$

素因数の和:1711

約数の個数: 168

約数和(自身を含む): 5566501440

約数和(自身を除く): 3583310720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 320, 392, 395, 448, 490, 553, 560, 632, 784, 790, 980, 1106, 1120, 1264, 1568, 1580, 1601, 1960, 2212, 2240, 2528, 2765, 3136, 3160, 3202, 3871, 3920, 4424, 5056, 5530, 6320, 6404, 7742, 7840, 8005, 8848, 11060, 11207, 12640, 12808, 15484, 15680, 16010, 17696, 19355, 22120, 22414, 25280, 25616, 30968, 32020, 35392, 38710, 44240, 44828, 51232, 56035, 61936, 64040, 77420, 78449, 88480, 89656, 102464, 112070, 123872, 126479, 128080, 154840, 156898, 176960, 179312, 224140, 247744, 252958, 256160, 309680, 313796, 358624, 392245, 448280, 505916, 512320, 619360, 627592, 632395, 717248, 784490, 885353, 896560, 1011832, 1238720, 1255184, 1264790, 1568980, 1770706, 1793120, 2023664, 2510368, 2529580, 3137960, 3541412, 3586240, 4047328, 4426765, 5020736, 5059160, 6197471, 6275920, 7082824, 8094656, 8853530, 10118320, 12394942, 12551840, 14165648, 17707060, 20236640, 24789884, 25103680, 28331296, 30987355, 35414120, 40473280, 49579768, 56662592, 61974710, 70828240, 99159536, 123949420, 141656480, 198319072, 247898840, 283312960, 396638144, 495797680, 991595360, 1983190720]

約数ペア:

[(1, 1983190720), (2, 991595360), (4, 495797680), (5, 396638144), (7, 283312960), (8, 247898840), (10, 198319072), (14, 141656480), (16, 123949420), (20, 99159536), (28, 70828240), (32, 61974710), (35, 56662592), (40, 49579768), (49, 40473280), (56, 35414120), (64, 30987355), (70, 28331296), (79, 25103680), (80, 24789884), (98, 20236640), (112, 17707060), (140, 14165648), (158, 12551840), (160, 12394942), (196, 10118320), (224, 8853530), (245, 8094656), (280, 7082824), (316, 6275920), (320, 6197471), (392, 5059160), (395, 5020736), (448, 4426765), (490, 4047328), (553, 3586240), (560, 3541412), (632, 3137960), (784, 2529580), (790, 2510368), (980, 2023664), (1106, 1793120), (1120, 1770706), (1264, 1568980), (1568, 1264790), (1580, 1255184), (1601, 1238720), (1960, 1011832), (2212, 896560), (2240, 885353), (2528, 784490), (2765, 717248), (3136, 632395), (3160, 627592), (3202, 619360), (3871, 512320), (3920, 505916), (4424, 448280), (5056, 392245), (5530, 358624), (6320, 313796), (6404, 309680), (7742, 256160), (7840, 252958), (8005, 247744), (8848, 224140), (11060, 179312), (11207, 176960), (12640, 156898), (12808, 154840), (15484, 128080), (15680, 126479), (16010, 123872), (17696, 112070), (19355, 102464), (22120, 89656), (22414, 88480), (25280, 78449), (25616, 77420), (30968, 64040), (32020, 61936), (35392, 56035), (38710, 51232), (44240, 44828)]