81202800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^2\times {\mathrm{1381}}^1$

素因数の和:1416

約数の個数: 180

約数和(自身を含む): 302807256

約数和(自身を除く): 221604456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 98, 100, 105, 112, 120, 140, 147, 150, 168, 175, 196, 200, 210, 240, 245, 280, 294, 300, 336, 350, 392, 400, 420, 490, 525, 560, 588, 600, 700, 735, 784, 840, 980, 1050, 1176, 1200, 1225, 1381, 1400, 1470, 1680, 1960, 2100, 2352, 2450, 2762, 2800, 2940, 3675, 3920, 4143, 4200, 4900, 5524, 5880, 6905, 7350, 8286, 8400, 9667, 9800, 11048, 11760, 13810, 14700, 16572, 19334, 19600, 20715, 22096, 27620, 29001, 29400, 33144, 34525, 38668, 41430, 48335, 55240, 58002, 58800, 66288, 67669, 69050, 77336, 82860, 96670, 103575, 110480, 116004, 135338, 138100, 145005, 154672, 165720, 193340, 203007, 207150, 232008, 241675, 270676, 276200, 290010, 331440, 338345, 386680, 406014, 414300, 464016, 483350, 541352, 552400, 580020, 676690, 725025, 773360, 812028, 828600, 966700, 1015035, 1082704, 1160040, 1353380, 1450050, 1624056, 1657200, 1691725, 1933400, 2030070, 2320080, 2706760, 2900100, 3248112, 3383450, 3866800, 4060140, 5075175, 5413520, 5800200, 6766900, 8120280, 10150350, 11600400, 13533800, 16240560, 20300700, 27067600, 40601400, 81202800]

約数ペア:

[(1, 81202800), (2, 40601400), (3, 27067600), (4, 20300700), (5, 16240560), (6, 13533800), (7, 11600400), (8, 10150350), (10, 8120280), (12, 6766900), (14, 5800200), (15, 5413520), (16, 5075175), (20, 4060140), (21, 3866800), (24, 3383450), (25, 3248112), (28, 2900100), (30, 2706760), (35, 2320080), (40, 2030070), (42, 1933400), (48, 1691725), (49, 1657200), (50, 1624056), (56, 1450050), (60, 1353380), (70, 1160040), (75, 1082704), (80, 1015035), (84, 966700), (98, 828600), (100, 812028), (105, 773360), (112, 725025), (120, 676690), (140, 580020), (147, 552400), (150, 541352), (168, 483350), (175, 464016), (196, 414300), (200, 406014), (210, 386680), (240, 338345), (245, 331440), (280, 290010), (294, 276200), (300, 270676), (336, 241675), (350, 232008), (392, 207150), (400, 203007), (420, 193340), (490, 165720), (525, 154672), (560, 145005), (588, 138100), (600, 135338), (700, 116004), (735, 110480), (784, 103575), (840, 96670), (980, 82860), (1050, 77336), (1176, 69050), (1200, 67669), (1225, 66288), (1381, 58800), (1400, 58002), (1470, 55240), (1680, 48335), (1960, 41430), (2100, 38668), (2352, 34525), (2450, 33144), (2762, 29400), (2800, 29001), (2940, 27620), (3675, 22096), (3920, 20715), (4143, 19600), (4200, 19334), (4900, 16572), (5524, 14700), (5880, 13810), (6905, 11760), (7350, 11048), (8286, 9800), (8400, 9667)]