28460480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 112

約数和(自身を含む): 74127360

約数和(自身を除く): 45666880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 151, 152, 155, 160, 190, 248, 302, 304, 310, 320, 380, 496, 589, 604, 608, 620, 755, 760, 992, 1178, 1208, 1216, 1240, 1510, 1520, 1984, 2356, 2416, 2480, 2869, 2945, 3020, 3040, 4681, 4712, 4832, 4960, 5738, 5890, 6040, 6080, 9362, 9424, 9664, 9920, 11476, 11780, 12080, 14345, 18724, 18848, 22952, 23405, 23560, 24160, 28690, 37448, 37696, 45904, 46810, 47120, 48320, 57380, 74896, 88939, 91808, 93620, 94240, 114760, 149792, 177878, 183616, 187240, 188480, 229520, 299584, 355756, 374480, 444695, 459040, 711512, 748960, 889390, 918080, 1423024, 1497920, 1778780, 2846048, 3557560, 5692096, 7115120, 14230240, 28460480]

約数ペア:

[(1, 28460480), (2, 14230240), (4, 7115120), (5, 5692096), (8, 3557560), (10, 2846048), (16, 1778780), (19, 1497920), (20, 1423024), (31, 918080), (32, 889390), (38, 748960), (40, 711512), (62, 459040), (64, 444695), (76, 374480), (80, 355756), (95, 299584), (124, 229520), (151, 188480), (152, 187240), (155, 183616), (160, 177878), (190, 149792), (248, 114760), (302, 94240), (304, 93620), (310, 91808), (320, 88939), (380, 74896), (496, 57380), (589, 48320), (604, 47120), (608, 46810), (620, 45904), (755, 37696), (760, 37448), (992, 28690), (1178, 24160), (1208, 23560), (1216, 23405), (1240, 22952), (1510, 18848), (1520, 18724), (1984, 14345), (2356, 12080), (2416, 11780), (2480, 11476), (2869, 9920), (2945, 9664), (3020, 9424), (3040, 9362), (4681, 6080), (4712, 6040), (4832, 5890), (4960, 5738)]