638995320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:694

約数の個数: 192

約数和(自身を含む): 2212816320

約数和(自身を除く): 1573821000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 263, 306, 340, 360, 397, 408, 510, 526, 612, 680, 765, 789, 794, 1020, 1052, 1191, 1224, 1315, 1530, 1578, 1588, 1985, 2040, 2104, 2367, 2382, 2630, 3060, 3156, 3176, 3573, 3945, 3970, 4471, 4734, 4764, 5260, 5955, 6120, 6312, 6749, 7146, 7890, 7940, 8942, 9468, 9528, 10520, 11835, 11910, 13413, 13498, 14292, 15780, 15880, 17865, 17884, 18936, 20247, 22355, 23670, 23820, 26826, 26996, 28584, 31560, 33745, 35730, 35768, 40239, 40494, 44710, 47340, 47640, 53652, 53992, 60741, 67065, 67490, 71460, 80478, 80988, 89420, 94680, 101235, 104411, 107304, 121482, 134130, 134980, 142920, 160956, 161976, 178840, 201195, 202470, 208822, 242964, 268260, 269960, 303705, 313233, 321912, 402390, 404940, 417644, 485928, 522055, 536520, 607410, 626466, 804780, 809880, 835288, 939699, 1044110, 1214820, 1252932, 1566165, 1609560, 1774987, 1879398, 2088220, 2429640, 2505864, 3132330, 3549974, 3758796, 4176440, 4698495, 5324961, 6264660, 7099948, 7517592, 8874935, 9396990, 10649922, 12529320, 14199896, 15974883, 17749870, 18793980, 21299844, 26624805, 31949766, 35499740, 37587960, 42599688, 53249610, 63899532, 70999480, 79874415, 106499220, 127799064, 159748830, 212998440, 319497660, 638995320]

約数ペア:

[(1, 638995320), (2, 319497660), (3, 212998440), (4, 159748830), (5, 127799064), (6, 106499220), (8, 79874415), (9, 70999480), (10, 63899532), (12, 53249610), (15, 42599688), (17, 37587960), (18, 35499740), (20, 31949766), (24, 26624805), (30, 21299844), (34, 18793980), (36, 17749870), (40, 15974883), (45, 14199896), (51, 12529320), (60, 10649922), (68, 9396990), (72, 8874935), (85, 7517592), (90, 7099948), (102, 6264660), (120, 5324961), (136, 4698495), (153, 4176440), (170, 3758796), (180, 3549974), (204, 3132330), (255, 2505864), (263, 2429640), (306, 2088220), (340, 1879398), (360, 1774987), (397, 1609560), (408, 1566165), (510, 1252932), (526, 1214820), (612, 1044110), (680, 939699), (765, 835288), (789, 809880), (794, 804780), (1020, 626466), (1052, 607410), (1191, 536520), (1224, 522055), (1315, 485928), (1530, 417644), (1578, 404940), (1588, 402390), (1985, 321912), (2040, 313233), (2104, 303705), (2367, 269960), (2382, 268260), (2630, 242964), (3060, 208822), (3156, 202470), (3176, 201195), (3573, 178840), (3945, 161976), (3970, 160956), (4471, 142920), (4734, 134980), (4764, 134130), (5260, 121482), (5955, 107304), (6120, 104411), (6312, 101235), (6749, 94680), (7146, 89420), (7890, 80988), (7940, 80478), (8942, 71460), (9468, 67490), (9528, 67065), (10520, 60741), (11835, 53992), (11910, 53652), (13413, 47640), (13498, 47340), (14292, 44710), (15780, 40494), (15880, 40239), (17865, 35768), (17884, 35730), (18936, 33745), (20247, 31560), (22355, 28584), (23670, 26996), (23820, 26826)]