1977142440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:912

約数の個数: 256

約数和(自身を含む): 7335659520

約数和(自身を除く): 5358517080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 331, 364, 390, 420, 455, 520, 546, 547, 662, 728, 780, 840, 910, 993, 1092, 1094, 1324, 1365, 1560, 1641, 1655, 1820, 1986, 2184, 2188, 2317, 2648, 2730, 2735, 3282, 3310, 3640, 3829, 3972, 4303, 4376, 4634, 4965, 5460, 5470, 6564, 6620, 6951, 7111, 7658, 7944, 8205, 8606, 9268, 9930, 10920, 10940, 11487, 11585, 12909, 13128, 13240, 13902, 14222, 15316, 16410, 17212, 18536, 19145, 19860, 21333, 21515, 21880, 22974, 23170, 25818, 27804, 28444, 30121, 30632, 32820, 34424, 34755, 35555, 38290, 39720, 42666, 43030, 45948, 46340, 49777, 51636, 55608, 56888, 57435, 60242, 64545, 65640, 69510, 71110, 76580, 85332, 86060, 90363, 91896, 92680, 99554, 103272, 106665, 114870, 120484, 129090, 139020, 142220, 149331, 150605, 153160, 170664, 172120, 180726, 181057, 199108, 213330, 229740, 240968, 248885, 258180, 278040, 284440, 298662, 301210, 361452, 362114, 398216, 426660, 451815, 459480, 497770, 516360, 543171, 597324, 602420, 722904, 724228, 746655, 853320, 903630, 905285, 995540, 1086342, 1194648, 1204840, 1267399, 1448456, 1493310, 1807260, 1810570, 1991080, 2172684, 2353741, 2534798, 2715855, 2986620, 3614520, 3621140, 3802197, 4345368, 4707482, 5069596, 5431710, 5973240, 6336995, 7061223, 7242280, 7604394, 9414964, 10139192, 10863420, 11768705, 12673990, 14122446, 15208788, 16476187, 18829928, 19010985, 21726840, 23537410, 25347980, 28244892, 30417576, 32952374, 35306115, 38021970, 47074820, 49428561, 50695960, 56489784, 65904748, 70612230, 76043940, 82380935, 94149640, 98857122, 131809496, 141224460, 152087880, 164761870, 197714244, 247142805, 282448920, 329523740, 395428488, 494285610, 659047480, 988571220, 1977142440]

約数ペア:

[(1, 1977142440), (2, 988571220), (3, 659047480), (4, 494285610), (5, 395428488), (6, 329523740), (7, 282448920), (8, 247142805), (10, 197714244), (12, 164761870), (13, 152087880), (14, 141224460), (15, 131809496), (20, 98857122), (21, 94149640), (24, 82380935), (26, 76043940), (28, 70612230), (30, 65904748), (35, 56489784), (39, 50695960), (40, 49428561), (42, 47074820), (52, 38021970), (56, 35306115), (60, 32952374), (65, 30417576), (70, 28244892), (78, 25347980), (84, 23537410), (91, 21726840), (104, 19010985), (105, 18829928), (120, 16476187), (130, 15208788), (140, 14122446), (156, 12673990), (168, 11768705), (182, 10863420), (195, 10139192), (210, 9414964), (260, 7604394), (273, 7242280), (280, 7061223), (312, 6336995), (331, 5973240), (364, 5431710), (390, 5069596), (420, 4707482), (455, 4345368), (520, 3802197), (546, 3621140), (547, 3614520), (662, 2986620), (728, 2715855), (780, 2534798), (840, 2353741), (910, 2172684), (993, 1991080), (1092, 1810570), (1094, 1807260), (1324, 1493310), (1365, 1448456), (1560, 1267399), (1641, 1204840), (1655, 1194648), (1820, 1086342), (1986, 995540), (2184, 905285), (2188, 903630), (2317, 853320), (2648, 746655), (2730, 724228), (2735, 722904), (3282, 602420), (3310, 597324), (3640, 543171), (3829, 516360), (3972, 497770), (4303, 459480), (4376, 451815), (4634, 426660), (4965, 398216), (5460, 362114), (5470, 361452), (6564, 301210), (6620, 298662), (6951, 284440), (7111, 278040), (7658, 258180), (7944, 248885), (8205, 240968), (8606, 229740), (9268, 213330), (9930, 199108), (10920, 181057), (10940, 180726), (11487, 172120), (11585, 170664), (12909, 153160), (13128, 150605), (13240, 149331), (13902, 142220), (14222, 139020), (15316, 129090), (16410, 120484), (17212, 114870), (18536, 106665), (19145, 103272), (19860, 99554), (21333, 92680), (21515, 91896), (21880, 90363), (22974, 86060), (23170, 85332), (25818, 76580), (27804, 71110), (28444, 69510), (30121, 65640), (30632, 64545), (32820, 60242), (34424, 57435), (34755, 56888), (35555, 55608), (38290, 51636), (39720, 49777), (42666, 46340), (43030, 45948)]