16800750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 49420800

約数和(自身を除く): 32620050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 125, 131, 135, 150, 171, 190, 225, 250, 262, 270, 285, 342, 375, 393, 450, 475, 513, 570, 655, 675, 750, 786, 855, 950, 1026, 1125, 1179, 1310, 1350, 1425, 1710, 1965, 2250, 2358, 2375, 2489, 2565, 2850, 3275, 3375, 3537, 3930, 4275, 4750, 4978, 5130, 5895, 6550, 6750, 7074, 7125, 7467, 8550, 9825, 11790, 12445, 12825, 14250, 14934, 16375, 17685, 19650, 21375, 22401, 24890, 25650, 29475, 32750, 35370, 37335, 42750, 44802, 49125, 58950, 62225, 64125, 67203, 74670, 88425, 98250, 112005, 124450, 128250, 134406, 147375, 176850, 186675, 224010, 294750, 311125, 336015, 373350, 442125, 560025, 622250, 672030, 884250, 933375, 1120050, 1680075, 1866750, 2800125, 3360150, 5600250, 8400375, 16800750]

約数ペア:

[(1, 16800750), (2, 8400375), (3, 5600250), (5, 3360150), (6, 2800125), (9, 1866750), (10, 1680075), (15, 1120050), (18, 933375), (19, 884250), (25, 672030), (27, 622250), (30, 560025), (38, 442125), (45, 373350), (50, 336015), (54, 311125), (57, 294750), (75, 224010), (90, 186675), (95, 176850), (114, 147375), (125, 134406), (131, 128250), (135, 124450), (150, 112005), (171, 98250), (190, 88425), (225, 74670), (250, 67203), (262, 64125), (270, 62225), (285, 58950), (342, 49125), (375, 44802), (393, 42750), (450, 37335), (475, 35370), (513, 32750), (570, 29475), (655, 25650), (675, 24890), (750, 22401), (786, 21375), (855, 19650), (950, 17685), (1026, 16375), (1125, 14934), (1179, 14250), (1310, 12825), (1350, 12445), (1425, 11790), (1710, 9825), (1965, 8550), (2250, 7467), (2358, 7125), (2375, 7074), (2489, 6750), (2565, 6550), (2850, 5895), (3275, 5130), (3375, 4978), (3537, 4750), (3930, 4275)]