815027200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 264

約数和(自身を含む): 2274298880

約数和(自身を除く): 1459271680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 79, 80, 100, 104, 124, 128, 130, 155, 158, 160, 200, 208, 248, 256, 260, 310, 316, 320, 325, 395, 400, 403, 416, 496, 512, 520, 620, 632, 640, 650, 775, 790, 800, 806, 832, 992, 1024, 1027, 1040, 1240, 1264, 1280, 1300, 1550, 1580, 1600, 1612, 1664, 1975, 1984, 2015, 2054, 2080, 2449, 2480, 2528, 2560, 2600, 3100, 3160, 3200, 3224, 3328, 3950, 3968, 4030, 4108, 4160, 4898, 4960, 5056, 5120, 5135, 5200, 6200, 6320, 6400, 6448, 6656, 7900, 7936, 8060, 8216, 8320, 9796, 9920, 10075, 10112, 10270, 10400, 12245, 12400, 12640, 12800, 12896, 13312, 15800, 15872, 16120, 16432, 16640, 19592, 19840, 20150, 20224, 20540, 20800, 24490, 24800, 25280, 25600, 25675, 25792, 31600, 31744, 31837, 32240, 32864, 33280, 39184, 39680, 40300, 40448, 41080, 41600, 48980, 49600, 50560, 51350, 51584, 61225, 63200, 63674, 64480, 65728, 66560, 78368, 79360, 80600, 80896, 82160, 83200, 97960, 99200, 101120, 102700, 103168, 122450, 126400, 127348, 128960, 131456, 156736, 158720, 159185, 161200, 164320, 166400, 195920, 198400, 202240, 205400, 206336, 244900, 252800, 254696, 257920, 262912, 313472, 318370, 322400, 328640, 332800, 391840, 396800, 404480, 410800, 412672, 489800, 505600, 509392, 515840, 525824, 626944, 636740, 644800, 657280, 783680, 793600, 795925, 821600, 979600, 1011200, 1018784, 1031680, 1051648, 1253888, 1273480, 1289600, 1314560, 1567360, 1591850, 1643200, 1959200, 2022400, 2037568, 2063360, 2507776, 2546960, 2579200, 2629120, 3134720, 3183700, 3286400, 3918400, 4075136, 5093920, 5158400, 5258240, 6269440, 6367400, 6572800, 7836800, 8150272, 10187840, 10316800, 12538880, 12734800, 13145600, 15673600, 16300544, 20375680, 25469600, 26291200, 31347200, 32601088, 40751360, 50939200, 62694400, 81502720, 101878400, 163005440, 203756800, 407513600, 815027200]

約数ペア:

[(1, 815027200), (2, 407513600), (4, 203756800), (5, 163005440), (8, 101878400), (10, 81502720), (13, 62694400), (16, 50939200), (20, 40751360), (25, 32601088), (26, 31347200), (31, 26291200), (32, 25469600), (40, 20375680), (50, 16300544), (52, 15673600), (62, 13145600), (64, 12734800), (65, 12538880), (79, 10316800), (80, 10187840), (100, 8150272), (104, 7836800), (124, 6572800), (128, 6367400), (130, 6269440), (155, 5258240), (158, 5158400), (160, 5093920), (200, 4075136), (208, 3918400), (248, 3286400), (256, 3183700), (260, 3134720), (310, 2629120), (316, 2579200), (320, 2546960), (325, 2507776), (395, 2063360), (400, 2037568), (403, 2022400), (416, 1959200), (496, 1643200), (512, 1591850), (520, 1567360), (620, 1314560), (632, 1289600), (640, 1273480), (650, 1253888), (775, 1051648), (790, 1031680), (800, 1018784), (806, 1011200), (832, 979600), (992, 821600), (1024, 795925), (1027, 793600), (1040, 783680), (1240, 657280), (1264, 644800), (1280, 636740), (1300, 626944), (1550, 525824), (1580, 515840), (1600, 509392), (1612, 505600), (1664, 489800), (1975, 412672), (1984, 410800), (2015, 404480), (2054, 396800), (2080, 391840), (2449, 332800), (2480, 328640), (2528, 322400), (2560, 318370), (2600, 313472), (3100, 262912), (3160, 257920), (3200, 254696), (3224, 252800), (3328, 244900), (3950, 206336), (3968, 205400), (4030, 202240), (4108, 198400), (4160, 195920), (4898, 166400), (4960, 164320), (5056, 161200), (5120, 159185), (5135, 158720), (5200, 156736), (6200, 131456), (6320, 128960), (6400, 127348), (6448, 126400), (6656, 122450), (7900, 103168), (7936, 102700), (8060, 101120), (8216, 99200), (8320, 97960), (9796, 83200), (9920, 82160), (10075, 80896), (10112, 80600), (10270, 79360), (10400, 78368), (12245, 66560), (12400, 65728), (12640, 64480), (12800, 63674), (12896, 63200), (13312, 61225), (15800, 51584), (15872, 51350), (16120, 50560), (16432, 49600), (16640, 48980), (19592, 41600), (19840, 41080), (20150, 40448), (20224, 40300), (20540, 39680), (20800, 39184), (24490, 33280), (24800, 32864), (25280, 32240), (25600, 31837), (25675, 31744), (25792, 31600)]