28857560940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{43577}}^1$

素因数の和:43888

約数の個数: 144

約数和(自身を含む): 94603305888

約数和(自身を除く): 65745744948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 283, 390, 468, 566, 585, 780, 849, 1132, 1170, 1415, 1698, 2340, 2547, 2830, 3396, 3679, 4245, 5094, 5660, 7358, 8490, 10188, 11037, 12735, 14716, 16980, 18395, 22074, 25470, 33111, 36790, 43577, 44148, 50940, 55185, 66222, 73580, 87154, 110370, 130731, 132444, 165555, 174308, 217885, 220740, 261462, 331110, 392193, 435770, 522924, 566501, 653655, 662220, 784386, 871540, 1133002, 1307310, 1568772, 1699503, 1960965, 2266004, 2614620, 2832505, 3399006, 3921930, 5098509, 5665010, 6798012, 7843860, 8497515, 10197018, 11330020, 12332291, 16995030, 20394036, 24664582, 25492545, 33990060, 36996873, 49329164, 50985090, 61661455, 73993746, 101970180, 110990619, 123322910, 147987492, 160319783, 184984365, 221981238, 246645820, 320639566, 369968730, 443962476, 480959349, 554953095, 641279132, 739937460, 801598915, 961918698, 1109906190, 1442878047, 1603197830, 1923837396, 2219812380, 2404796745, 2885756094, 3206395660, 4809593490, 5771512188, 7214390235, 9619186980, 14428780470, 28857560940]

約数ペア:

[(1, 28857560940), (2, 14428780470), (3, 9619186980), (4, 7214390235), (5, 5771512188), (6, 4809593490), (9, 3206395660), (10, 2885756094), (12, 2404796745), (13, 2219812380), (15, 1923837396), (18, 1603197830), (20, 1442878047), (26, 1109906190), (30, 961918698), (36, 801598915), (39, 739937460), (45, 641279132), (52, 554953095), (60, 480959349), (65, 443962476), (78, 369968730), (90, 320639566), (117, 246645820), (130, 221981238), (156, 184984365), (180, 160319783), (195, 147987492), (234, 123322910), (260, 110990619), (283, 101970180), (390, 73993746), (468, 61661455), (566, 50985090), (585, 49329164), (780, 36996873), (849, 33990060), (1132, 25492545), (1170, 24664582), (1415, 20394036), (1698, 16995030), (2340, 12332291), (2547, 11330020), (2830, 10197018), (3396, 8497515), (3679, 7843860), (4245, 6798012), (5094, 5665010), (5660, 5098509), (7358, 3921930), (8490, 3399006), (10188, 2832505), (11037, 2614620), (12735, 2266004), (14716, 1960965), (16980, 1699503), (18395, 1568772), (22074, 1307310), (25470, 1133002), (33111, 871540), (36790, 784386), (43577, 662220), (44148, 653655), (50940, 566501), (55185, 522924), (66222, 435770), (73580, 392193), (87154, 331110), (110370, 261462), (130731, 220740), (132444, 217885), (165555, 174308)]