30015440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 94993920

約数和(自身を除く): 64978480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 31, 35, 38, 40, 49, 52, 56, 62, 65, 70, 76, 80, 91, 95, 98, 104, 112, 124, 130, 133, 140, 152, 155, 182, 190, 196, 208, 217, 245, 247, 248, 260, 266, 280, 304, 310, 364, 380, 392, 403, 434, 455, 490, 494, 496, 520, 532, 560, 589, 620, 637, 665, 728, 760, 784, 806, 868, 910, 931, 980, 988, 1040, 1064, 1085, 1178, 1235, 1240, 1274, 1330, 1456, 1519, 1520, 1612, 1729, 1736, 1820, 1862, 1960, 1976, 2015, 2128, 2170, 2356, 2470, 2480, 2548, 2660, 2821, 2945, 3038, 3185, 3224, 3458, 3472, 3640, 3724, 3920, 3952, 4030, 4123, 4340, 4655, 4712, 4940, 5096, 5320, 5642, 5890, 6076, 6370, 6448, 6916, 7280, 7448, 7595, 7657, 8060, 8246, 8645, 8680, 9310, 9424, 9880, 10192, 10640, 11284, 11780, 12103, 12152, 12740, 13832, 14105, 14896, 15190, 15314, 16120, 16492, 17290, 17360, 18620, 19747, 19760, 20615, 22568, 23560, 24206, 24304, 25480, 27664, 28210, 28861, 30380, 30628, 32240, 32984, 34580, 37240, 38285, 39494, 41230, 45136, 47120, 48412, 50960, 53599, 56420, 57722, 60515, 60760, 61256, 65968, 69160, 74480, 76570, 78988, 82460, 96824, 98735, 107198, 112840, 115444, 121030, 121520, 122512, 138320, 144305, 153140, 157976, 164920, 193648, 197470, 214396, 225680, 230888, 242060, 267995, 288610, 306280, 315952, 329840, 375193, 394940, 428792, 461776, 484120, 535990, 577220, 612560, 750386, 789880, 857584, 968240, 1071980, 1154440, 1500772, 1579760, 1875965, 2143960, 2308880, 3001544, 3751930, 4287920, 6003088, 7503860, 15007720, 30015440]

約数ペア:

[(1, 30015440), (2, 15007720), (4, 7503860), (5, 6003088), (7, 4287920), (8, 3751930), (10, 3001544), (13, 2308880), (14, 2143960), (16, 1875965), (19, 1579760), (20, 1500772), (26, 1154440), (28, 1071980), (31, 968240), (35, 857584), (38, 789880), (40, 750386), (49, 612560), (52, 577220), (56, 535990), (62, 484120), (65, 461776), (70, 428792), (76, 394940), (80, 375193), (91, 329840), (95, 315952), (98, 306280), (104, 288610), (112, 267995), (124, 242060), (130, 230888), (133, 225680), (140, 214396), (152, 197470), (155, 193648), (182, 164920), (190, 157976), (196, 153140), (208, 144305), (217, 138320), (245, 122512), (247, 121520), (248, 121030), (260, 115444), (266, 112840), (280, 107198), (304, 98735), (310, 96824), (364, 82460), (380, 78988), (392, 76570), (403, 74480), (434, 69160), (455, 65968), (490, 61256), (494, 60760), (496, 60515), (520, 57722), (532, 56420), (560, 53599), (589, 50960), (620, 48412), (637, 47120), (665, 45136), (728, 41230), (760, 39494), (784, 38285), (806, 37240), (868, 34580), (910, 32984), (931, 32240), (980, 30628), (988, 30380), (1040, 28861), (1064, 28210), (1085, 27664), (1178, 25480), (1235, 24304), (1240, 24206), (1274, 23560), (1330, 22568), (1456, 20615), (1519, 19760), (1520, 19747), (1612, 18620), (1729, 17360), (1736, 17290), (1820, 16492), (1862, 16120), (1960, 15314), (1976, 15190), (2015, 14896), (2128, 14105), (2170, 13832), (2356, 12740), (2470, 12152), (2480, 12103), (2548, 11780), (2660, 11284), (2821, 10640), (2945, 10192), (3038, 9880), (3185, 9424), (3224, 9310), (3458, 8680), (3472, 8645), (3640, 8246), (3724, 8060), (3920, 7657), (3952, 7595), (4030, 7448), (4123, 7280), (4340, 6916), (4655, 6448), (4712, 6370), (4940, 6076), (5096, 5890), (5320, 5642)]