158700160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 413222400

約数和(自身を除く): 254522240

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, 304, 310, 320, 380, 421, 496, 589, 608, 620, 640, 760, 842, 992, 1178, 1216, 1240, 1520, 1684, 1984, 2105, 2356, 2432, 2480, 2945, 3040, 3368, 3968, 4210, 4712, 4960, 5890, 6080, 6736, 7999, 8420, 9424, 9920, 11780, 12160, 13051, 13472, 15998, 16840, 18848, 19840, 23560, 26102, 26944, 31996, 33680, 37696, 39995, 47120, 52204, 53888, 63992, 65255, 67360, 75392, 79990, 94240, 104408, 127984, 130510, 134720, 159980, 188480, 208816, 247969, 255968, 261020, 269440, 319960, 376960, 417632, 495938, 511936, 522040, 639920, 835264, 991876, 1023872, 1044080, 1239845, 1279840, 1670528, 1983752, 2088160, 2479690, 2559680, 3967504, 4176320, 4959380, 5119360, 7935008, 8352640, 9918760, 15870016, 19837520, 31740032, 39675040, 79350080, 158700160]

約数ペア:

[(1, 158700160), (2, 79350080), (4, 39675040), (5, 31740032), (8, 19837520), (10, 15870016), (16, 9918760), (19, 8352640), (20, 7935008), (31, 5119360), (32, 4959380), (38, 4176320), (40, 3967504), (62, 2559680), (64, 2479690), (76, 2088160), (80, 1983752), (95, 1670528), (124, 1279840), (128, 1239845), (152, 1044080), (155, 1023872), (160, 991876), (190, 835264), (248, 639920), (304, 522040), (310, 511936), (320, 495938), (380, 417632), (421, 376960), (496, 319960), (589, 269440), (608, 261020), (620, 255968), (640, 247969), (760, 208816), (842, 188480), (992, 159980), (1178, 134720), (1216, 130510), (1240, 127984), (1520, 104408), (1684, 94240), (1984, 79990), (2105, 75392), (2356, 67360), (2432, 65255), (2480, 63992), (2945, 53888), (3040, 52204), (3368, 47120), (3968, 39995), (4210, 37696), (4712, 33680), (4960, 31996), (5890, 26944), (6080, 26102), (6736, 23560), (7999, 19840), (8420, 18848), (9424, 16840), (9920, 15998), (11780, 13472), (12160, 13051)]