652800017920

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1\times {\mathrm{8543}}^1$

素因数の和:10156

約数の個数: 160

約数和(自身を含む): 1648810183680

約数和(自身を除く): 996010165760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 1571, 2432, 2560, 3040, 3142, 4864, 6080, 6284, 7855, 8543, 9728, 12160, 12568, 15710, 17086, 24320, 25136, 29849, 31420, 34172, 42715, 48640, 50272, 59698, 62840, 68344, 85430, 100544, 119396, 125680, 136688, 149245, 162317, 170860, 201088, 238792, 251360, 273376, 298490, 324634, 341720, 402176, 477584, 502720, 546752, 596980, 649268, 683440, 804352, 811585, 955168, 1005440, 1093504, 1193960, 1298536, 1366880, 1623170, 1910336, 2010880, 2187008, 2387920, 2597072, 2733760, 3246340, 3820672, 4021760, 4374016, 4775840, 5194144, 5467520, 6492680, 7641344, 9551680, 10388288, 10935040, 12985360, 13421053, 15282688, 19103360, 20776576, 21870080, 25970720, 26842106, 38206720, 41553152, 51941440, 53684212, 67105265, 76413440, 83106304, 103882880, 107368424, 134210530, 207765760, 214736848, 255000007, 268421060, 415531520, 429473696, 510000014, 536842120, 858947392, 1020000028, 1073684240, 1275000035, 1717894784, 2040000056, 2147368480, 2550000070, 3435789568, 4080000112, 4294736960, 5100000140, 6871579136, 8160000224, 8589473920, 10200000280, 16320000448, 17178947840, 20400000560, 32640000896, 34357895680, 40800001120, 65280001792, 81600002240, 130560003584, 163200004480, 326400008960, 652800017920]

約数ペア:

[(1, 652800017920), (2, 326400008960), (4, 163200004480), (5, 130560003584), (8, 81600002240), (10, 65280001792), (16, 40800001120), (19, 34357895680), (20, 32640000896), (32, 20400000560), (38, 17178947840), (40, 16320000448), (64, 10200000280), (76, 8589473920), (80, 8160000224), (95, 6871579136), (128, 5100000140), (152, 4294736960), (160, 4080000112), (190, 3435789568), (256, 2550000070), (304, 2147368480), (320, 2040000056), (380, 1717894784), (512, 1275000035), (608, 1073684240), (640, 1020000028), (760, 858947392), (1216, 536842120), (1280, 510000014), (1520, 429473696), (1571, 415531520), (2432, 268421060), (2560, 255000007), (3040, 214736848), (3142, 207765760), (4864, 134210530), (6080, 107368424), (6284, 103882880), (7855, 83106304), (8543, 76413440), (9728, 67105265), (12160, 53684212), (12568, 51941440), (15710, 41553152), (17086, 38206720), (24320, 26842106), (25136, 25970720), (29849, 21870080), (31420, 20776576), (34172, 19103360), (42715, 15282688), (48640, 13421053), (50272, 12985360), (59698, 10935040), (62840, 10388288), (68344, 9551680), (85430, 7641344), (100544, 6492680), (119396, 5467520), (125680, 5194144), (136688, 4775840), (149245, 4374016), (162317, 4021760), (170860, 3820672), (201088, 3246340), (238792, 2733760), (251360, 2597072), (273376, 2387920), (298490, 2187008), (324634, 2010880), (341720, 1910336), (402176, 1623170), (477584, 1366880), (502720, 1298536), (546752, 1193960), (596980, 1093504), (649268, 1005440), (683440, 955168), (804352, 811585)]