28885560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 96076800

約数和(自身を除く): 67191240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 277, 316, 330, 395, 440, 474, 554, 632, 660, 790, 831, 869, 948, 1108, 1185, 1320, 1385, 1580, 1662, 1738, 1896, 2216, 2370, 2607, 2770, 3047, 3160, 3324, 3476, 4155, 4345, 4740, 5214, 5540, 6094, 6648, 6952, 8310, 8690, 9141, 9480, 10428, 11080, 12188, 13035, 15235, 16620, 17380, 18282, 20856, 21883, 24376, 26070, 30470, 33240, 34760, 36564, 43766, 45705, 52140, 60940, 65649, 73128, 87532, 91410, 104280, 109415, 121880, 131298, 175064, 182820, 218830, 240713, 262596, 328245, 365640, 437660, 481426, 525192, 656490, 722139, 875320, 962852, 1203565, 1312980, 1444278, 1925704, 2407130, 2625960, 2888556, 3610695, 4814260, 5777112, 7221390, 9628520, 14442780, 28885560]

約数ペア:

[(1, 28885560), (2, 14442780), (3, 9628520), (4, 7221390), (5, 5777112), (6, 4814260), (8, 3610695), (10, 2888556), (11, 2625960), (12, 2407130), (15, 1925704), (20, 1444278), (22, 1312980), (24, 1203565), (30, 962852), (33, 875320), (40, 722139), (44, 656490), (55, 525192), (60, 481426), (66, 437660), (79, 365640), (88, 328245), (110, 262596), (120, 240713), (132, 218830), (158, 182820), (165, 175064), (220, 131298), (237, 121880), (264, 109415), (277, 104280), (316, 91410), (330, 87532), (395, 73128), (440, 65649), (474, 60940), (554, 52140), (632, 45705), (660, 43766), (790, 36564), (831, 34760), (869, 33240), (948, 30470), (1108, 26070), (1185, 24376), (1320, 21883), (1385, 20856), (1580, 18282), (1662, 17380), (1738, 16620), (1896, 15235), (2216, 13035), (2370, 12188), (2607, 11080), (2770, 10428), (3047, 9480), (3160, 9141), (3324, 8690), (3476, 8310), (4155, 6952), (4345, 6648), (4740, 6094), (5214, 5540)]