15660750

素因数分解:

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

素因数の和:203

約数の個数: 128

約数和(自身を含む): 47324160

約数和(自身を除く): 31663410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 125, 133, 150, 157, 175, 190, 210, 250, 266, 285, 314, 350, 375, 399, 471, 475, 525, 570, 665, 750, 785, 798, 875, 942, 950, 1050, 1099, 1330, 1425, 1570, 1750, 1995, 2198, 2355, 2375, 2625, 2850, 2983, 3297, 3325, 3925, 3990, 4710, 4750, 5250, 5495, 5966, 6594, 6650, 7125, 7850, 8949, 9975, 10990, 11775, 14250, 14915, 16485, 16625, 17898, 19625, 19950, 20881, 23550, 27475, 29830, 32970, 33250, 39250, 41762, 44745, 49875, 54950, 58875, 62643, 74575, 82425, 89490, 99750, 104405, 117750, 125286, 137375, 149150, 164850, 208810, 223725, 274750, 313215, 372875, 412125, 447450, 522025, 626430, 745750, 824250, 1044050, 1118625, 1566075, 2237250, 2610125, 3132150, 5220250, 7830375, 15660750]

約数ペア:

[(1, 15660750), (2, 7830375), (3, 5220250), (5, 3132150), (6, 2610125), (7, 2237250), (10, 1566075), (14, 1118625), (15, 1044050), (19, 824250), (21, 745750), (25, 626430), (30, 522025), (35, 447450), (38, 412125), (42, 372875), (50, 313215), (57, 274750), (70, 223725), (75, 208810), (95, 164850), (105, 149150), (114, 137375), (125, 125286), (133, 117750), (150, 104405), (157, 99750), (175, 89490), (190, 82425), (210, 74575), (250, 62643), (266, 58875), (285, 54950), (314, 49875), (350, 44745), (375, 41762), (399, 39250), (471, 33250), (475, 32970), (525, 29830), (570, 27475), (665, 23550), (750, 20881), (785, 19950), (798, 19625), (875, 17898), (942, 16625), (950, 16485), (1050, 14915), (1099, 14250), (1330, 11775), (1425, 10990), (1570, 9975), (1750, 8949), (1995, 7850), (2198, 7125), (2355, 6650), (2375, 6594), (2625, 5966), (2850, 5495), (2983, 5250), (3297, 4750), (3325, 4710), (3925, 3990)]