1838266720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 192

約数和(自身を含む): 4859688960

約数和(自身を除く): 3021422240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 61, 76, 80, 92, 95, 115, 122, 152, 160, 184, 190, 230, 244, 304, 305, 368, 380, 431, 437, 460, 488, 608, 610, 736, 760, 862, 874, 920, 976, 1159, 1220, 1403, 1520, 1724, 1748, 1840, 1952, 2155, 2185, 2318, 2440, 2806, 3040, 3448, 3496, 3680, 4310, 4370, 4636, 4880, 5612, 5795, 6896, 6992, 7015, 8189, 8620, 8740, 9272, 9760, 9913, 11224, 11590, 13792, 13984, 14030, 16378, 17240, 17480, 18544, 19826, 22448, 23180, 26291, 26657, 28060, 32756, 34480, 34960, 37088, 39652, 40945, 44896, 46360, 49565, 52582, 53314, 56120, 65512, 68960, 69920, 79304, 81890, 92720, 99130, 105164, 106628, 112240, 131024, 131455, 133285, 158608, 163780, 185440, 188347, 198260, 210328, 213256, 224480, 262048, 262910, 266570, 317216, 327560, 376694, 396520, 420656, 426512, 499529, 525820, 533140, 604693, 655120, 753388, 793040, 841312, 853024, 941735, 999058, 1051640, 1066280, 1209386, 1310240, 1506776, 1586080, 1883470, 1998116, 2103280, 2132560, 2418772, 2497645, 3013552, 3023465, 3766940, 3996232, 4206560, 4265120, 4837544, 4995290, 6027104, 6046930, 7533880, 7992464, 9675088, 9990580, 11489167, 12093860, 15067760, 15984928, 19350176, 19981160, 22978334, 24187720, 30135520, 39962320, 45956668, 48375440, 57445835, 79924640, 91913336, 96750880, 114891670, 183826672, 229783340, 367653344, 459566680, 919133360, 1838266720]

約数ペア:

[(1, 1838266720), (2, 919133360), (4, 459566680), (5, 367653344), (8, 229783340), (10, 183826672), (16, 114891670), (19, 96750880), (20, 91913336), (23, 79924640), (32, 57445835), (38, 48375440), (40, 45956668), (46, 39962320), (61, 30135520), (76, 24187720), (80, 22978334), (92, 19981160), (95, 19350176), (115, 15984928), (122, 15067760), (152, 12093860), (160, 11489167), (184, 9990580), (190, 9675088), (230, 7992464), (244, 7533880), (304, 6046930), (305, 6027104), (368, 4995290), (380, 4837544), (431, 4265120), (437, 4206560), (460, 3996232), (488, 3766940), (608, 3023465), (610, 3013552), (736, 2497645), (760, 2418772), (862, 2132560), (874, 2103280), (920, 1998116), (976, 1883470), (1159, 1586080), (1220, 1506776), (1403, 1310240), (1520, 1209386), (1724, 1066280), (1748, 1051640), (1840, 999058), (1952, 941735), (2155, 853024), (2185, 841312), (2318, 793040), (2440, 753388), (2806, 655120), (3040, 604693), (3448, 533140), (3496, 525820), (3680, 499529), (4310, 426512), (4370, 420656), (4636, 396520), (4880, 376694), (5612, 327560), (5795, 317216), (6896, 266570), (6992, 262910), (7015, 262048), (8189, 224480), (8620, 213256), (8740, 210328), (9272, 198260), (9760, 188347), (9913, 185440), (11224, 163780), (11590, 158608), (13792, 133285), (13984, 131455), (14030, 131024), (16378, 112240), (17240, 106628), (17480, 105164), (18544, 99130), (19826, 92720), (22448, 81890), (23180, 79304), (26291, 69920), (26657, 68960), (28060, 65512), (32756, 56120), (34480, 53314), (34960, 52582), (37088, 49565), (39652, 46360), (40945, 44896)]