31321500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 110423040

約数和(自身を除く): 79101540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 125, 133, 140, 150, 157, 175, 190, 210, 228, 250, 266, 285, 300, 314, 350, 375, 380, 399, 420, 471, 475, 500, 525, 532, 570, 628, 665, 700, 750, 785, 798, 875, 942, 950, 1050, 1099, 1140, 1330, 1425, 1500, 1570, 1596, 1750, 1884, 1900, 1995, 2100, 2198, 2355, 2375, 2625, 2660, 2850, 2983, 3140, 3297, 3325, 3500, 3925, 3990, 4396, 4710, 4750, 5250, 5495, 5700, 5966, 6594, 6650, 7125, 7850, 7980, 8949, 9420, 9500, 9975, 10500, 10990, 11775, 11932, 13188, 13300, 14250, 14915, 15700, 16485, 16625, 17898, 19625, 19950, 20881, 21980, 23550, 27475, 28500, 29830, 32970, 33250, 35796, 39250, 39900, 41762, 44745, 47100, 49875, 54950, 58875, 59660, 62643, 65940, 66500, 74575, 78500, 82425, 83524, 89490, 99750, 104405, 109900, 117750, 125286, 137375, 149150, 164850, 178980, 199500, 208810, 223725, 235500, 250572, 274750, 298300, 313215, 329700, 372875, 412125, 417620, 447450, 522025, 549500, 626430, 745750, 824250, 894900, 1044050, 1118625, 1252860, 1491500, 1566075, 1648500, 2088100, 2237250, 2610125, 3132150, 4474500, 5220250, 6264300, 7830375, 10440500, 15660750, 31321500]

約数ペア:

[(1, 31321500), (2, 15660750), (3, 10440500), (4, 7830375), (5, 6264300), (6, 5220250), (7, 4474500), (10, 3132150), (12, 2610125), (14, 2237250), (15, 2088100), (19, 1648500), (20, 1566075), (21, 1491500), (25, 1252860), (28, 1118625), (30, 1044050), (35, 894900), (38, 824250), (42, 745750), (50, 626430), (57, 549500), (60, 522025), (70, 447450), (75, 417620), (76, 412125), (84, 372875), (95, 329700), (100, 313215), (105, 298300), (114, 274750), (125, 250572), (133, 235500), (140, 223725), (150, 208810), (157, 199500), (175, 178980), (190, 164850), (210, 149150), (228, 137375), (250, 125286), (266, 117750), (285, 109900), (300, 104405), (314, 99750), (350, 89490), (375, 83524), (380, 82425), (399, 78500), (420, 74575), (471, 66500), (475, 65940), (500, 62643), (525, 59660), (532, 58875), (570, 54950), (628, 49875), (665, 47100), (700, 44745), (750, 41762), (785, 39900), (798, 39250), (875, 35796), (942, 33250), (950, 32970), (1050, 29830), (1099, 28500), (1140, 27475), (1330, 23550), (1425, 21980), (1500, 20881), (1570, 19950), (1596, 19625), (1750, 17898), (1884, 16625), (1900, 16485), (1995, 15700), (2100, 14915), (2198, 14250), (2355, 13300), (2375, 13188), (2625, 11932), (2660, 11775), (2850, 10990), (2983, 10500), (3140, 9975), (3297, 9500), (3325, 9420), (3500, 8949), (3925, 7980), (3990, 7850), (4396, 7125), (4710, 6650), (4750, 6594), (5250, 5966), (5495, 5700)]