423512280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20639}}^1$

素因数の和:20678

約数の個数: 128

約数和(自身を含む): 1486080000

約数和(自身を除く): 1062567720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 20639, 41278, 61917, 82556, 103195, 123834, 165112, 185751, 206390, 247668, 309585, 371502, 392141, 412780, 495336, 557253, 619170, 743004, 784282, 825560, 928755, 1114506, 1176423, 1238340, 1486008, 1568564, 1857510, 1960705, 2229012, 2352846, 2476680, 2786265, 3137128, 3529269, 3715020, 3921410, 4458024, 4705692, 5572530, 5882115, 7058538, 7430040, 7842820, 9411384, 10587807, 11145060, 11764230, 14117076, 15685640, 17646345, 21175614, 22290120, 23528460, 28234152, 35292690, 42351228, 47056920, 52939035, 70585380, 84702456, 105878070, 141170760, 211756140, 423512280]

約数ペア:

[(1, 423512280), (2, 211756140), (3, 141170760), (4, 105878070), (5, 84702456), (6, 70585380), (8, 52939035), (9, 47056920), (10, 42351228), (12, 35292690), (15, 28234152), (18, 23528460), (19, 22290120), (20, 21175614), (24, 17646345), (27, 15685640), (30, 14117076), (36, 11764230), (38, 11145060), (40, 10587807), (45, 9411384), (54, 7842820), (57, 7430040), (60, 7058538), (72, 5882115), (76, 5572530), (90, 4705692), (95, 4458024), (108, 3921410), (114, 3715020), (120, 3529269), (135, 3137128), (152, 2786265), (171, 2476680), (180, 2352846), (190, 2229012), (216, 1960705), (228, 1857510), (270, 1568564), (285, 1486008), (342, 1238340), (360, 1176423), (380, 1114506), (456, 928755), (513, 825560), (540, 784282), (570, 743004), (684, 619170), (760, 557253), (855, 495336), (1026, 412780), (1080, 392141), (1140, 371502), (1368, 309585), (1710, 247668), (2052, 206390), (2280, 185751), (2565, 165112), (3420, 123834), (4104, 103195), (5130, 82556), (6840, 61917), (10260, 41278), (20520, 20639)]