78070240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 197799840

約数和(自身を除く): 119729600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 122, 152, 160, 190, 244, 304, 305, 380, 421, 488, 608, 610, 760, 842, 976, 1159, 1220, 1520, 1684, 1952, 2105, 2318, 2440, 3040, 3368, 4210, 4636, 4880, 5795, 6736, 7999, 8420, 9272, 9760, 11590, 13472, 15998, 16840, 18544, 23180, 25681, 31996, 33680, 37088, 39995, 46360, 51362, 63992, 67360, 79990, 92720, 102724, 127984, 128405, 159980, 185440, 205448, 255968, 256810, 319960, 410896, 487939, 513620, 639920, 821792, 975878, 1027240, 1279840, 1951756, 2054480, 2439695, 3903512, 4108960, 4879390, 7807024, 9758780, 15614048, 19517560, 39035120, 78070240]

約数ペア:

[(1, 78070240), (2, 39035120), (4, 19517560), (5, 15614048), (8, 9758780), (10, 7807024), (16, 4879390), (19, 4108960), (20, 3903512), (32, 2439695), (38, 2054480), (40, 1951756), (61, 1279840), (76, 1027240), (80, 975878), (95, 821792), (122, 639920), (152, 513620), (160, 487939), (190, 410896), (244, 319960), (304, 256810), (305, 255968), (380, 205448), (421, 185440), (488, 159980), (608, 128405), (610, 127984), (760, 102724), (842, 92720), (976, 79990), (1159, 67360), (1220, 63992), (1520, 51362), (1684, 46360), (1952, 39995), (2105, 37088), (2318, 33680), (2440, 31996), (3040, 25681), (3368, 23180), (4210, 18544), (4636, 16840), (4880, 15998), (5795, 13472), (6736, 11590), (7999, 9760), (8420, 9272)]