158705120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 144

約数和(自身を含む): 450914688

約数和(自身を除く): 292209568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 653, 784, 868, 980, 992, 1085, 1120, 1240, 1306, 1519, 1568, 1736, 1960, 2170, 2480, 2612, 3038, 3265, 3472, 3920, 4340, 4571, 4960, 5224, 6076, 6530, 6944, 7595, 7840, 8680, 9142, 10448, 12152, 13060, 15190, 17360, 18284, 20243, 20896, 22855, 24304, 26120, 30380, 31997, 34720, 36568, 40486, 45710, 48608, 52240, 60760, 63994, 73136, 80972, 91420, 101215, 104480, 121520, 127988, 141701, 146272, 159985, 161944, 182840, 202430, 243040, 255976, 283402, 319970, 323888, 365680, 404860, 511952, 566804, 639940, 647776, 708505, 731360, 809720, 991907, 1023904, 1133608, 1279880, 1417010, 1619440, 1983814, 2267216, 2559760, 2834020, 3238880, 3967628, 4534432, 4959535, 5119520, 5668040, 7935256, 9919070, 11336080, 15870512, 19838140, 22672160, 31741024, 39676280, 79352560, 158705120]

約数ペア:

[(1, 158705120), (2, 79352560), (4, 39676280), (5, 31741024), (7, 22672160), (8, 19838140), (10, 15870512), (14, 11336080), (16, 9919070), (20, 7935256), (28, 5668040), (31, 5119520), (32, 4959535), (35, 4534432), (40, 3967628), (49, 3238880), (56, 2834020), (62, 2559760), (70, 2267216), (80, 1983814), (98, 1619440), (112, 1417010), (124, 1279880), (140, 1133608), (155, 1023904), (160, 991907), (196, 809720), (217, 731360), (224, 708505), (245, 647776), (248, 639940), (280, 566804), (310, 511952), (392, 404860), (434, 365680), (490, 323888), (496, 319970), (560, 283402), (620, 255976), (653, 243040), (784, 202430), (868, 182840), (980, 161944), (992, 159985), (1085, 146272), (1120, 141701), (1240, 127988), (1306, 121520), (1519, 104480), (1568, 101215), (1736, 91420), (1960, 80972), (2170, 73136), (2480, 63994), (2612, 60760), (3038, 52240), (3265, 48608), (3472, 45710), (3920, 40486), (4340, 36568), (4571, 34720), (4960, 31997), (5224, 30380), (6076, 26120), (6530, 24304), (6944, 22855), (7595, 20896), (7840, 20243), (8680, 18284), (9142, 17360), (10448, 15190), (12152, 13060)]