256456199680

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{142501}}^1$

素因数の和:142580

約数の個数: 160

約数和(自身を含む): 664754729760

約数和(自身を除く): 408298530080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 185, 190, 256, 296, 304, 320, 370, 380, 512, 592, 608, 640, 703, 740, 760, 1184, 1216, 1280, 1406, 1480, 1520, 2368, 2432, 2560, 2812, 2960, 3040, 3515, 4736, 4864, 5624, 5920, 6080, 7030, 9472, 9728, 11248, 11840, 12160, 14060, 18944, 22496, 23680, 24320, 28120, 44992, 47360, 48640, 56240, 89984, 94720, 112480, 142501, 179968, 224960, 285002, 359936, 449920, 570004, 712505, 899840, 1140008, 1425010, 1799680, 2280016, 2707519, 2850020, 4560032, 5272537, 5415038, 5700040, 9120064, 10545074, 10830076, 11400080, 13537595, 18240128, 21090148, 21660152, 22800160, 26362685, 27075190, 36480256, 42180296, 43320304, 45600320, 52725370, 54150380, 72960512, 84360592, 86640608, 91200640, 100178203, 105450740, 108300760, 168721184, 173281216, 182401280, 200356406, 210901480, 216601520, 337442368, 346562432, 364802560, 400712812, 421802960, 433203040, 500891015, 674884736, 693124864, 801425624, 843605920, 866406080, 1001782030, 1349769472, 1386249728, 1602851248, 1687211840, 1732812160, 2003564060, 2699538944, 3205702496, 3374423680, 3465624320, 4007128120, 6411404992, 6748847360, 6931248640, 8014256240, 12822809984, 13497694720, 16028512480, 25645619968, 32057024960, 51291239936, 64114049920, 128228099840, 256456199680]

約数ペア:

[(1, 256456199680), (2, 128228099840), (4, 64114049920), (5, 51291239936), (8, 32057024960), (10, 25645619968), (16, 16028512480), (19, 13497694720), (20, 12822809984), (32, 8014256240), (37, 6931248640), (38, 6748847360), (40, 6411404992), (64, 4007128120), (74, 3465624320), (76, 3374423680), (80, 3205702496), (95, 2699538944), (128, 2003564060), (148, 1732812160), (152, 1687211840), (160, 1602851248), (185, 1386249728), (190, 1349769472), (256, 1001782030), (296, 866406080), (304, 843605920), (320, 801425624), (370, 693124864), (380, 674884736), (512, 500891015), (592, 433203040), (608, 421802960), (640, 400712812), (703, 364802560), (740, 346562432), (760, 337442368), (1184, 216601520), (1216, 210901480), (1280, 200356406), (1406, 182401280), (1480, 173281216), (1520, 168721184), (2368, 108300760), (2432, 105450740), (2560, 100178203), (2812, 91200640), (2960, 86640608), (3040, 84360592), (3515, 72960512), (4736, 54150380), (4864, 52725370), (5624, 45600320), (5920, 43320304), (6080, 42180296), (7030, 36480256), (9472, 27075190), (9728, 26362685), (11248, 22800160), (11840, 21660152), (12160, 21090148), (14060, 18240128), (18944, 13537595), (22496, 11400080), (23680, 10830076), (24320, 10545074), (28120, 9120064), (44992, 5700040), (47360, 5415038), (48640, 5272537), (56240, 4560032), (89984, 2850020), (94720, 2707519), (112480, 2280016), (142501, 1799680), (179968, 1425010), (224960, 1140008), (285002, 899840), (359936, 712505), (449920, 570004)]