28423560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 94815360

約数和(自身を除く): 66391800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 353, 366, 440, 488, 610, 660, 671, 706, 732, 915, 1059, 1220, 1320, 1342, 1412, 1464, 1765, 1830, 2013, 2118, 2440, 2684, 2824, 3355, 3530, 3660, 3883, 4026, 4236, 5295, 5368, 6710, 7060, 7320, 7766, 8052, 8472, 10065, 10590, 11649, 13420, 14120, 15532, 16104, 19415, 20130, 21180, 21533, 23298, 26840, 31064, 38830, 40260, 42360, 43066, 46596, 58245, 64599, 77660, 80520, 86132, 93192, 107665, 116490, 129198, 155320, 172264, 215330, 232980, 236863, 258396, 322995, 430660, 465960, 473726, 516792, 645990, 710589, 861320, 947452, 1184315, 1291980, 1421178, 1894904, 2368630, 2583960, 2842356, 3552945, 4737260, 5684712, 7105890, 9474520, 14211780, 28423560]

約数ペア:

[(1, 28423560), (2, 14211780), (3, 9474520), (4, 7105890), (5, 5684712), (6, 4737260), (8, 3552945), (10, 2842356), (11, 2583960), (12, 2368630), (15, 1894904), (20, 1421178), (22, 1291980), (24, 1184315), (30, 947452), (33, 861320), (40, 710589), (44, 645990), (55, 516792), (60, 473726), (61, 465960), (66, 430660), (88, 322995), (110, 258396), (120, 236863), (122, 232980), (132, 215330), (165, 172264), (183, 155320), (220, 129198), (244, 116490), (264, 107665), (305, 93192), (330, 86132), (353, 80520), (366, 77660), (440, 64599), (488, 58245), (610, 46596), (660, 43066), (671, 42360), (706, 40260), (732, 38830), (915, 31064), (1059, 26840), (1220, 23298), (1320, 21533), (1342, 21180), (1412, 20130), (1464, 19415), (1765, 16104), (1830, 15532), (2013, 14120), (2118, 13420), (2440, 11649), (2684, 10590), (2824, 10065), (3355, 8472), (3530, 8052), (3660, 7766), (3883, 7320), (4026, 7060), (4236, 6710), (5295, 5368)]