620045640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12391}}^1$

素因数の和:12547

約数の個数: 96

約数和(自身を含む): 2029809600

約数和(自身を除く): 1409763960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 695, 834, 1112, 1251, 1390, 1668, 2085, 2502, 2780, 3336, 4170, 5004, 5560, 6255, 8340, 10008, 12391, 12510, 16680, 24782, 25020, 37173, 49564, 50040, 61955, 74346, 99128, 111519, 123910, 148692, 185865, 223038, 247820, 297384, 371730, 446076, 495640, 557595, 743460, 892152, 1115190, 1486920, 1722349, 2230380, 3444698, 4460760, 5167047, 6889396, 8611745, 10334094, 13778792, 15501141, 17223490, 20668188, 25835235, 31002282, 34446980, 41336376, 51670470, 62004564, 68893960, 77505705, 103340940, 124009128, 155011410, 206681880, 310022820, 620045640]

約数ペア:

[(1, 620045640), (2, 310022820), (3, 206681880), (4, 155011410), (5, 124009128), (6, 103340940), (8, 77505705), (9, 68893960), (10, 62004564), (12, 51670470), (15, 41336376), (18, 34446980), (20, 31002282), (24, 25835235), (30, 20668188), (36, 17223490), (40, 15501141), (45, 13778792), (60, 10334094), (72, 8611745), (90, 6889396), (120, 5167047), (139, 4460760), (180, 3444698), (278, 2230380), (360, 1722349), (417, 1486920), (556, 1115190), (695, 892152), (834, 743460), (1112, 557595), (1251, 495640), (1390, 446076), (1668, 371730), (2085, 297384), (2502, 247820), (2780, 223038), (3336, 185865), (4170, 148692), (5004, 123910), (5560, 111519), (6255, 99128), (8340, 74346), (10008, 61955), (12391, 50040), (12510, 49564), (16680, 37173), (24782, 25020)]