155619728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 349531200

約数和(自身を除く): 193911472

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 173, 176, 209, 269, 304, 346, 418, 538, 692, 836, 1076, 1384, 1672, 1903, 2152, 2768, 2959, 3287, 3344, 3806, 4304, 5111, 5918, 6574, 7612, 10222, 11836, 13148, 15224, 20444, 23672, 26296, 30448, 36157, 40888, 46537, 47344, 52592, 56221, 72314, 81776, 93074, 112442, 144628, 186148, 224884, 289256, 372296, 449768, 511907, 578512, 744592, 884203, 899536, 1023814, 1768406, 2047628, 3536812, 4095256, 7073624, 8190512, 9726233, 14147248, 19452466, 38904932, 77809864, 155619728]

約数ペア:

[(1, 155619728), (2, 77809864), (4, 38904932), (8, 19452466), (11, 14147248), (16, 9726233), (19, 8190512), (22, 7073624), (38, 4095256), (44, 3536812), (76, 2047628), (88, 1768406), (152, 1023814), (173, 899536), (176, 884203), (209, 744592), (269, 578512), (304, 511907), (346, 449768), (418, 372296), (538, 289256), (692, 224884), (836, 186148), (1076, 144628), (1384, 112442), (1672, 93074), (1903, 81776), (2152, 72314), (2768, 56221), (2959, 52592), (3287, 47344), (3344, 46537), (3806, 40888), (4304, 36157), (5111, 30448), (5918, 26296), (6574, 23672), (7612, 20444), (10222, 15224), (11836, 13148)]