30894760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 81648000

約数和(自身を除く): 50753240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 53, 59, 65, 76, 95, 104, 106, 118, 130, 152, 190, 212, 236, 247, 260, 265, 295, 380, 424, 472, 494, 520, 530, 590, 689, 760, 767, 988, 1007, 1060, 1121, 1180, 1235, 1378, 1534, 1976, 2014, 2120, 2242, 2360, 2470, 2756, 3068, 3127, 3445, 3835, 4028, 4484, 4940, 5035, 5512, 5605, 6136, 6254, 6890, 7670, 8056, 8968, 9880, 10070, 11210, 12508, 13091, 13780, 14573, 15340, 15635, 20140, 22420, 25016, 26182, 27560, 29146, 30680, 31270, 40280, 40651, 44840, 52364, 58292, 59413, 62540, 65455, 72865, 81302, 104728, 116584, 118826, 125080, 130910, 145730, 162604, 203255, 237652, 261820, 291460, 297065, 325208, 406510, 475304, 523640, 582920, 594130, 772369, 813020, 1188260, 1544738, 1626040, 2376520, 3089476, 3861845, 6178952, 7723690, 15447380, 30894760]

約数ペア:

[(1, 30894760), (2, 15447380), (4, 7723690), (5, 6178952), (8, 3861845), (10, 3089476), (13, 2376520), (19, 1626040), (20, 1544738), (26, 1188260), (38, 813020), (40, 772369), (52, 594130), (53, 582920), (59, 523640), (65, 475304), (76, 406510), (95, 325208), (104, 297065), (106, 291460), (118, 261820), (130, 237652), (152, 203255), (190, 162604), (212, 145730), (236, 130910), (247, 125080), (260, 118826), (265, 116584), (295, 104728), (380, 81302), (424, 72865), (472, 65455), (494, 62540), (520, 59413), (530, 58292), (590, 52364), (689, 44840), (760, 40651), (767, 40280), (988, 31270), (1007, 30680), (1060, 29146), (1121, 27560), (1180, 26182), (1235, 25016), (1378, 22420), (1534, 20140), (1976, 15635), (2014, 15340), (2120, 14573), (2242, 13780), (2360, 13091), (2470, 12508), (2756, 11210), (3068, 10070), (3127, 9880), (3445, 8968), (3835, 8056), (4028, 7670), (4484, 6890), (4940, 6254), (5035, 6136), (5512, 5605)]