8821320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 28771200

約数和(自身を除く): 19949880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 73, 76, 95, 106, 114, 120, 146, 152, 159, 190, 212, 219, 228, 265, 285, 292, 318, 365, 380, 424, 438, 456, 530, 570, 584, 636, 730, 760, 795, 876, 1007, 1060, 1095, 1140, 1272, 1387, 1460, 1590, 1752, 2014, 2120, 2190, 2280, 2774, 2920, 3021, 3180, 3869, 4028, 4161, 4380, 5035, 5548, 6042, 6360, 6935, 7738, 8056, 8322, 8760, 10070, 11096, 11607, 12084, 13870, 15105, 15476, 16644, 19345, 20140, 20805, 23214, 24168, 27740, 30210, 30952, 33288, 38690, 40280, 41610, 46428, 55480, 58035, 60420, 73511, 77380, 83220, 92856, 116070, 120840, 147022, 154760, 166440, 220533, 232140, 294044, 367555, 441066, 464280, 588088, 735110, 882132, 1102665, 1470220, 1764264, 2205330, 2940440, 4410660, 8821320]

約数ペア:

[(1, 8821320), (2, 4410660), (3, 2940440), (4, 2205330), (5, 1764264), (6, 1470220), (8, 1102665), (10, 882132), (12, 735110), (15, 588088), (19, 464280), (20, 441066), (24, 367555), (30, 294044), (38, 232140), (40, 220533), (53, 166440), (57, 154760), (60, 147022), (73, 120840), (76, 116070), (95, 92856), (106, 83220), (114, 77380), (120, 73511), (146, 60420), (152, 58035), (159, 55480), (190, 46428), (212, 41610), (219, 40280), (228, 38690), (265, 33288), (285, 30952), (292, 30210), (318, 27740), (365, 24168), (380, 23214), (424, 20805), (438, 20140), (456, 19345), (530, 16644), (570, 15476), (584, 15105), (636, 13870), (730, 12084), (760, 11607), (795, 11096), (876, 10070), (1007, 8760), (1060, 8322), (1095, 8056), (1140, 7738), (1272, 6935), (1387, 6360), (1460, 6042), (1590, 5548), (1752, 5035), (2014, 4380), (2120, 4161), (2190, 4028), (2280, 3869), (2774, 3180), (2920, 3021)]