420761520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1640

約数の個数: 160

約数和(自身を含む): 1461335040

約数和(自身を除く): 1040573520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 131, 135, 144, 180, 216, 240, 262, 270, 360, 393, 432, 524, 540, 655, 720, 786, 1048, 1080, 1179, 1310, 1487, 1572, 1965, 2096, 2160, 2358, 2620, 2974, 3144, 3537, 3930, 4461, 4716, 5240, 5895, 5948, 6288, 7074, 7435, 7860, 8922, 9432, 10480, 11790, 11896, 13383, 14148, 14870, 15720, 17685, 17844, 18864, 22305, 23580, 23792, 26766, 28296, 29740, 31440, 35370, 35688, 40149, 44610, 47160, 53532, 56592, 59480, 66915, 70740, 71376, 80298, 89220, 94320, 107064, 118960, 133830, 141480, 160596, 178440, 194797, 200745, 214128, 267660, 282960, 321192, 356880, 389594, 401490, 535320, 584391, 642384, 779188, 802980, 973985, 1070640, 1168782, 1558376, 1605960, 1753173, 1947970, 2337564, 2921955, 3116752, 3211920, 3506346, 3895940, 4675128, 5259519, 5843910, 7012692, 7791880, 8765865, 9350256, 10519038, 11687820, 14025384, 15583760, 17531730, 21038076, 23375640, 26297595, 28050768, 35063460, 42076152, 46751280, 52595190, 70126920, 84152304, 105190380, 140253840, 210380760, 420761520]

約数ペア:

[(1, 420761520), (2, 210380760), (3, 140253840), (4, 105190380), (5, 84152304), (6, 70126920), (8, 52595190), (9, 46751280), (10, 42076152), (12, 35063460), (15, 28050768), (16, 26297595), (18, 23375640), (20, 21038076), (24, 17531730), (27, 15583760), (30, 14025384), (36, 11687820), (40, 10519038), (45, 9350256), (48, 8765865), (54, 7791880), (60, 7012692), (72, 5843910), (80, 5259519), (90, 4675128), (108, 3895940), (120, 3506346), (131, 3211920), (135, 3116752), (144, 2921955), (180, 2337564), (216, 1947970), (240, 1753173), (262, 1605960), (270, 1558376), (360, 1168782), (393, 1070640), (432, 973985), (524, 802980), (540, 779188), (655, 642384), (720, 584391), (786, 535320), (1048, 401490), (1080, 389594), (1179, 356880), (1310, 321192), (1487, 282960), (1572, 267660), (1965, 214128), (2096, 200745), (2160, 194797), (2358, 178440), (2620, 160596), (2974, 141480), (3144, 133830), (3537, 118960), (3930, 107064), (4461, 94320), (4716, 89220), (5240, 80298), (5895, 71376), (5948, 70740), (6288, 66915), (7074, 59480), (7435, 56592), (7860, 53532), (8922, 47160), (9432, 44610), (10480, 40149), (11790, 35688), (11896, 35370), (13383, 31440), (14148, 29740), (14870, 28296), (15720, 26766), (17685, 23792), (17844, 23580), (18864, 22305)]