20863374720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{6997}}^1$

素因数の和:8572

約数の個数: 128

約数和(自身を含む): 66554339040

約数和(自身を除く): 45690964320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1553, 1920, 3106, 4659, 6212, 6997, 7765, 9318, 12424, 13994, 15530, 18636, 20991, 23295, 24848, 27988, 31060, 34985, 37272, 41982, 46590, 49696, 55976, 62120, 69970, 74544, 83964, 93180, 99392, 104955, 111952, 124240, 139940, 149088, 167928, 186360, 198784, 209910, 223904, 248480, 279880, 298176, 335856, 372720, 419820, 447808, 496960, 559760, 596352, 671712, 745440, 839640, 895616, 993920, 1119520, 1343424, 1490880, 1679280, 2239040, 2686848, 2981760, 3358560, 4478080, 6717120, 10866341, 13434240, 21732682, 32599023, 43465364, 54331705, 65198046, 86930728, 108663410, 130396092, 162995115, 173861456, 217326820, 260792184, 325990230, 347722912, 434653640, 521584368, 651980460, 695445824, 869307280, 1043168736, 1303960920, 1390891648, 1738614560, 2086337472, 2607921840, 3477229120, 4172674944, 5215843680, 6954458240, 10431687360, 20863374720]

約数ペア:

[(1, 20863374720), (2, 10431687360), (3, 6954458240), (4, 5215843680), (5, 4172674944), (6, 3477229120), (8, 2607921840), (10, 2086337472), (12, 1738614560), (15, 1390891648), (16, 1303960920), (20, 1043168736), (24, 869307280), (30, 695445824), (32, 651980460), (40, 521584368), (48, 434653640), (60, 347722912), (64, 325990230), (80, 260792184), (96, 217326820), (120, 173861456), (128, 162995115), (160, 130396092), (192, 108663410), (240, 86930728), (320, 65198046), (384, 54331705), (480, 43465364), (640, 32599023), (960, 21732682), (1553, 13434240), (1920, 10866341), (3106, 6717120), (4659, 4478080), (6212, 3358560), (6997, 2981760), (7765, 2686848), (9318, 2239040), (12424, 1679280), (13994, 1490880), (15530, 1343424), (18636, 1119520), (20991, 993920), (23295, 895616), (24848, 839640), (27988, 745440), (31060, 671712), (34985, 596352), (37272, 559760), (41982, 496960), (46590, 447808), (49696, 419820), (55976, 372720), (62120, 335856), (69970, 298176), (74544, 279880), (83964, 248480), (93180, 223904), (99392, 209910), (104955, 198784), (111952, 186360), (124240, 167928), (139940, 149088)]