31518379520

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{20903}}^1$

素因数の和:20976

約数の個数: 160

約数和(自身を含む): 82117601280

約数和(自身を除く): 50599221760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 512, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1280, 1520, 1984, 2356, 2432, 2480, 2560, 2945, 3040, 3968, 4712, 4864, 4960, 5890, 6080, 7936, 9424, 9728, 9920, 11780, 12160, 15872, 18848, 19840, 20903, 23560, 24320, 37696, 39680, 41806, 47120, 48640, 75392, 79360, 83612, 94240, 104515, 150784, 167224, 188480, 209030, 301568, 334448, 376960, 397157, 418060, 647993, 668896, 753920, 794314, 836120, 1295986, 1337792, 1507840, 1588628, 1672240, 1985785, 2591972, 2675584, 3177256, 3239965, 3344480, 3971570, 5183944, 5351168, 6354512, 6479930, 6688960, 7943140, 10367888, 10702336, 12311867, 12709024, 12959860, 13377920, 15886280, 20735776, 24623734, 25418048, 25919720, 26755840, 31772560, 41471552, 49247468, 50836096, 51839440, 53511680, 61559335, 63545120, 82943104, 98494936, 101672192, 103678880, 123118670, 127090240, 165886208, 196989872, 203344384, 207357760, 246237340, 254180480, 331772416, 393979744, 414715520, 492474680, 508360960, 787959488, 829431040, 984949360, 1016721920, 1575918976, 1658862080, 1969898720, 3151837952, 3939797440, 6303675904, 7879594880, 15759189760, 31518379520]

約数ペア:

[(1, 31518379520), (2, 15759189760), (4, 7879594880), (5, 6303675904), (8, 3939797440), (10, 3151837952), (16, 1969898720), (19, 1658862080), (20, 1575918976), (31, 1016721920), (32, 984949360), (38, 829431040), (40, 787959488), (62, 508360960), (64, 492474680), (76, 414715520), (80, 393979744), (95, 331772416), (124, 254180480), (128, 246237340), (152, 207357760), (155, 203344384), (160, 196989872), (190, 165886208), (248, 127090240), (256, 123118670), (304, 103678880), (310, 101672192), (320, 98494936), (380, 82943104), (496, 63545120), (512, 61559335), (589, 53511680), (608, 51839440), (620, 50836096), (640, 49247468), (760, 41471552), (992, 31772560), (1178, 26755840), (1216, 25919720), (1240, 25418048), (1280, 24623734), (1520, 20735776), (1984, 15886280), (2356, 13377920), (2432, 12959860), (2480, 12709024), (2560, 12311867), (2945, 10702336), (3040, 10367888), (3968, 7943140), (4712, 6688960), (4864, 6479930), (4960, 6354512), (5890, 5351168), (6080, 5183944), (7936, 3971570), (9424, 3344480), (9728, 3239965), (9920, 3177256), (11780, 2675584), (12160, 2591972), (15872, 1985785), (18848, 1672240), (19840, 1588628), (20903, 1507840), (23560, 1337792), (24320, 1295986), (37696, 836120), (39680, 794314), (41806, 753920), (47120, 668896), (48640, 647993), (75392, 418060), (79360, 397157), (83612, 376960), (94240, 334448), (104515, 301568), (150784, 209030), (167224, 188480)]