394781280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 192

約数和(自身を含む): 1315657728

約数和(自身を除く): 920876448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 80, 86, 93, 96, 120, 124, 129, 155, 160, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 480, 496, 516, 617, 620, 645, 688, 744, 860, 930, 992, 1032, 1234, 1240, 1290, 1333, 1376, 1488, 1720, 1851, 1860, 2064, 2468, 2480, 2580, 2666, 2976, 3085, 3440, 3702, 3720, 3999, 4128, 4936, 4960, 5160, 5332, 6170, 6665, 6880, 7404, 7440, 7998, 9255, 9872, 10320, 10664, 12340, 13330, 14808, 14880, 15996, 18510, 19127, 19744, 19995, 20640, 21328, 24680, 26531, 26660, 29616, 31992, 37020, 38254, 39990, 42656, 49360, 53062, 53320, 57381, 59232, 63984, 74040, 76508, 79593, 79980, 95635, 98720, 106124, 106640, 114762, 127968, 132655, 148080, 153016, 159186, 159960, 191270, 212248, 213280, 229524, 265310, 286905, 296160, 306032, 318372, 319920, 382540, 397965, 424496, 459048, 530620, 573810, 612064, 636744, 639840, 765080, 795930, 822461, 848992, 918096, 1061240, 1147620, 1273488, 1530160, 1591860, 1644922, 1836192, 2122480, 2295240, 2467383, 2546976, 3060320, 3183720, 3289844, 4112305, 4244960, 4590480, 4934766, 6367440, 6579688, 8224610, 9180960, 9869532, 12336915, 12734880, 13159376, 16449220, 19739064, 24673830, 26318752, 32898440, 39478128, 49347660, 65796880, 78956256, 98695320, 131593760, 197390640, 394781280]

約数ペア:

[(1, 394781280), (2, 197390640), (3, 131593760), (4, 98695320), (5, 78956256), (6, 65796880), (8, 49347660), (10, 39478128), (12, 32898440), (15, 26318752), (16, 24673830), (20, 19739064), (24, 16449220), (30, 13159376), (31, 12734880), (32, 12336915), (40, 9869532), (43, 9180960), (48, 8224610), (60, 6579688), (62, 6367440), (80, 4934766), (86, 4590480), (93, 4244960), (96, 4112305), (120, 3289844), (124, 3183720), (129, 3060320), (155, 2546976), (160, 2467383), (172, 2295240), (186, 2122480), (215, 1836192), (240, 1644922), (248, 1591860), (258, 1530160), (310, 1273488), (344, 1147620), (372, 1061240), (430, 918096), (465, 848992), (480, 822461), (496, 795930), (516, 765080), (617, 639840), (620, 636744), (645, 612064), (688, 573810), (744, 530620), (860, 459048), (930, 424496), (992, 397965), (1032, 382540), (1234, 319920), (1240, 318372), (1290, 306032), (1333, 296160), (1376, 286905), (1488, 265310), (1720, 229524), (1851, 213280), (1860, 212248), (2064, 191270), (2468, 159960), (2480, 159186), (2580, 153016), (2666, 148080), (2976, 132655), (3085, 127968), (3440, 114762), (3702, 106640), (3720, 106124), (3999, 98720), (4128, 95635), (4936, 79980), (4960, 79593), (5160, 76508), (5332, 74040), (6170, 63984), (6665, 59232), (6880, 57381), (7404, 53320), (7440, 53062), (7998, 49360), (9255, 42656), (9872, 39990), (10320, 38254), (10664, 37020), (12340, 31992), (13330, 29616), (14808, 26660), (14880, 26531), (15996, 24680), (18510, 21328), (19127, 20640), (19744, 19995)]