72396003920

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{911}}^1\times {\mathrm{2621}}^1$

素因数の和:3924

約数の個数: 80

約数和(自身を含む): 169014539520

約数和(自身を除く): 96618535600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 911, 1516, 1822, 1895, 2621, 3032, 3644, 3790, 4555, 5242, 6064, 7288, 7580, 9110, 10484, 13105, 14576, 15160, 18220, 20968, 26210, 30320, 36440, 41936, 52420, 72880, 104840, 209680, 345269, 690538, 993359, 1381076, 1726345, 1986718, 2387731, 2762152, 3452690, 3973436, 4775462, 4966795, 5524304, 6905380, 7946872, 9550924, 9933590, 11938655, 13810760, 15893744, 19101848, 19867180, 23877310, 27621520, 38203696, 39734360, 47754620, 79468720, 95509240, 191018480, 904950049, 1809900098, 3619800196, 4524750245, 7239600392, 9049500490, 14479200784, 18099000980, 36198001960, 72396003920]

約数ペア:

[(1, 72396003920), (2, 36198001960), (4, 18099000980), (5, 14479200784), (8, 9049500490), (10, 7239600392), (16, 4524750245), (20, 3619800196), (40, 1809900098), (80, 904950049), (379, 191018480), (758, 95509240), (911, 79468720), (1516, 47754620), (1822, 39734360), (1895, 38203696), (2621, 27621520), (3032, 23877310), (3644, 19867180), (3790, 19101848), (4555, 15893744), (5242, 13810760), (6064, 11938655), (7288, 9933590), (7580, 9550924), (9110, 7946872), (10484, 6905380), (13105, 5524304), (14576, 4966795), (15160, 4775462), (18220, 3973436), (20968, 3452690), (26210, 2762152), (30320, 2387731), (36440, 1986718), (41936, 1726345), (52420, 1381076), (72880, 993359), (104840, 690538), (209680, 345269)]