28438126920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{33289}}^1$

素因数の和:33429

約数の個数: 256

約数和(自身を含む): 109297728000

約数和(自身を除く): 80859601080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 113, 120, 126, 135, 140, 168, 180, 189, 210, 216, 226, 252, 270, 280, 315, 339, 360, 378, 420, 452, 504, 540, 565, 630, 678, 756, 791, 840, 904, 945, 1017, 1080, 1130, 1260, 1356, 1512, 1582, 1695, 1890, 2034, 2260, 2373, 2520, 2712, 3051, 3164, 3390, 3780, 3955, 4068, 4520, 4746, 5085, 6102, 6328, 6780, 7119, 7560, 7910, 8136, 9492, 10170, 11865, 12204, 13560, 14238, 15255, 15820, 18984, 20340, 21357, 23730, 24408, 28476, 30510, 31640, 33289, 35595, 40680, 42714, 47460, 56952, 61020, 66578, 71190, 85428, 94920, 99867, 106785, 122040, 133156, 142380, 166445, 170856, 199734, 213570, 233023, 266312, 284760, 299601, 332890, 399468, 427140, 466046, 499335, 599202, 665780, 699069, 798936, 854280, 898803, 932092, 998670, 1165115, 1198404, 1331560, 1398138, 1498005, 1797606, 1864184, 1997340, 2097207, 2330230, 2396808, 2796276, 2996010, 3495345, 3595212, 3761657, 3994680, 4194414, 4494015, 4660460, 5592552, 5992020, 6291621, 6990690, 7190424, 7523314, 8388828, 8988030, 9320920, 10486035, 11284971, 11984040, 12583242, 13981380, 15046628, 16777656, 17976060, 18808285, 20972070, 22569942, 25166484, 26331599, 27962760, 30093256, 31458105, 33854913, 35952120, 37616570, 41944140, 45139884, 50332968, 52663198, 56424855, 62916210, 67709826, 75233140, 78994797, 83888280, 90279768, 101564739, 105326396, 112849710, 125832420, 131657995, 135419652, 150466280, 157989594, 169274565, 203129478, 210652792, 225699420, 236984391, 251664840, 263315990, 270839304, 315979188, 338549130, 394973985, 406258956, 451398840, 473968782, 507823695, 526631980, 631958376, 677098260, 710953173, 789947970, 812517912, 947937564, 1015647390, 1053263960, 1184921955, 1354196520, 1421906346, 1579895940, 1895875128, 2031294780, 2369843910, 2843812692, 3159791880, 3554765865, 4062589560, 4739687820, 5687625384, 7109531730, 9479375640, 14219063460, 28438126920]

約数ペア:

[(1, 28438126920), (2, 14219063460), (3, 9479375640), (4, 7109531730), (5, 5687625384), (6, 4739687820), (7, 4062589560), (8, 3554765865), (9, 3159791880), (10, 2843812692), (12, 2369843910), (14, 2031294780), (15, 1895875128), (18, 1579895940), (20, 1421906346), (21, 1354196520), (24, 1184921955), (27, 1053263960), (28, 1015647390), (30, 947937564), (35, 812517912), (36, 789947970), (40, 710953173), (42, 677098260), (45, 631958376), (54, 526631980), (56, 507823695), (60, 473968782), (63, 451398840), (70, 406258956), (72, 394973985), (84, 338549130), (90, 315979188), (105, 270839304), (108, 263315990), (113, 251664840), (120, 236984391), (126, 225699420), (135, 210652792), (140, 203129478), (168, 169274565), (180, 157989594), (189, 150466280), (210, 135419652), (216, 131657995), (226, 125832420), (252, 112849710), (270, 105326396), (280, 101564739), (315, 90279768), (339, 83888280), (360, 78994797), (378, 75233140), (420, 67709826), (452, 62916210), (504, 56424855), (540, 52663198), (565, 50332968), (630, 45139884), (678, 41944140), (756, 37616570), (791, 35952120), (840, 33854913), (904, 31458105), (945, 30093256), (1017, 27962760), (1080, 26331599), (1130, 25166484), (1260, 22569942), (1356, 20972070), (1512, 18808285), (1582, 17976060), (1695, 16777656), (1890, 15046628), (2034, 13981380), (2260, 12583242), (2373, 11984040), (2520, 11284971), (2712, 10486035), (3051, 9320920), (3164, 8988030), (3390, 8388828), (3780, 7523314), (3955, 7190424), (4068, 6990690), (4520, 6291621), (4746, 5992020), (5085, 5592552), (6102, 4660460), (6328, 4494015), (6780, 4194414), (7119, 3994680), (7560, 3761657), (7910, 3595212), (8136, 3495345), (9492, 2996010), (10170, 2796276), (11865, 2396808), (12204, 2330230), (13560, 2097207), (14238, 1997340), (15255, 1864184), (15820, 1797606), (18984, 1498005), (20340, 1398138), (21357, 1331560), (23730, 1198404), (24408, 1165115), (28476, 998670), (30510, 932092), (31640, 898803), (33289, 854280), (35595, 798936), (40680, 699069), (42714, 665780), (47460, 599202), (56952, 499335), (61020, 466046), (66578, 427140), (71190, 399468), (85428, 332890), (94920, 299601), (99867, 284760), (106785, 266312), (122040, 233023), (133156, 213570), (142380, 199734), (166445, 170856)]