1978053840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1459}}^1$

素因数の和:1754

約数の個数: 240

約数和(自身を含む): 7625404800

約数和(自身を除く): 5647350960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 269, 280, 315, 336, 360, 420, 504, 538, 560, 630, 720, 807, 840, 1008, 1076, 1260, 1345, 1459, 1614, 1680, 1883, 2152, 2421, 2520, 2690, 2918, 3228, 3766, 4035, 4304, 4377, 4842, 5040, 5380, 5649, 5836, 6456, 7295, 7532, 8070, 8754, 9415, 9684, 10213, 10760, 11298, 11672, 12105, 12912, 13131, 14590, 15064, 16140, 16947, 17508, 18830, 19368, 20426, 21520, 21885, 22596, 23344, 24210, 26262, 28245, 29180, 30128, 30639, 32280, 33894, 35016, 37660, 38736, 40852, 43770, 45192, 48420, 51065, 52524, 56490, 58360, 61278, 64560, 65655, 67788, 70032, 75320, 81704, 84735, 87540, 90384, 91917, 96840, 102130, 105048, 112980, 116720, 122556, 131310, 135576, 150640, 153195, 163408, 169470, 175080, 183834, 193680, 204260, 210096, 225960, 245112, 262620, 271152, 306390, 338940, 350160, 367668, 392471, 408520, 451920, 459585, 490224, 525240, 612780, 677880, 735336, 784942, 817040, 919170, 1050480, 1177413, 1225560, 1355760, 1470672, 1569884, 1838340, 1962355, 2354826, 2451120, 2747297, 3139768, 3532239, 3676680, 3924710, 4709652, 5494594, 5887065, 6279536, 7064478, 7353360, 7849420, 8241891, 9419304, 10989188, 11774130, 13736485, 14128956, 15698840, 16483782, 17661195, 18838608, 21978376, 23548260, 24725673, 27472970, 28257912, 31397680, 32967564, 35322390, 41209455, 43956752, 47096520, 49451346, 54945940, 56515824, 65935128, 70644780, 82418910, 94193040, 98902692, 109891880, 123628365, 131870256, 141289560, 164837820, 197805384, 219783760, 247256730, 282579120, 329675640, 395610768, 494513460, 659351280, 989026920, 1978053840]

約数ペア:

[(1, 1978053840), (2, 989026920), (3, 659351280), (4, 494513460), (5, 395610768), (6, 329675640), (7, 282579120), (8, 247256730), (9, 219783760), (10, 197805384), (12, 164837820), (14, 141289560), (15, 131870256), (16, 123628365), (18, 109891880), (20, 98902692), (21, 94193040), (24, 82418910), (28, 70644780), (30, 65935128), (35, 56515824), (36, 54945940), (40, 49451346), (42, 47096520), (45, 43956752), (48, 41209455), (56, 35322390), (60, 32967564), (63, 31397680), (70, 28257912), (72, 27472970), (80, 24725673), (84, 23548260), (90, 21978376), (105, 18838608), (112, 17661195), (120, 16483782), (126, 15698840), (140, 14128956), (144, 13736485), (168, 11774130), (180, 10989188), (210, 9419304), (240, 8241891), (252, 7849420), (269, 7353360), (280, 7064478), (315, 6279536), (336, 5887065), (360, 5494594), (420, 4709652), (504, 3924710), (538, 3676680), (560, 3532239), (630, 3139768), (720, 2747297), (807, 2451120), (840, 2354826), (1008, 1962355), (1076, 1838340), (1260, 1569884), (1345, 1470672), (1459, 1355760), (1614, 1225560), (1680, 1177413), (1883, 1050480), (2152, 919170), (2421, 817040), (2520, 784942), (2690, 735336), (2918, 677880), (3228, 612780), (3766, 525240), (4035, 490224), (4304, 459585), (4377, 451920), (4842, 408520), (5040, 392471), (5380, 367668), (5649, 350160), (5836, 338940), (6456, 306390), (7295, 271152), (7532, 262620), (8070, 245112), (8754, 225960), (9415, 210096), (9684, 204260), (10213, 193680), (10760, 183834), (11298, 175080), (11672, 169470), (12105, 163408), (12912, 153195), (13131, 150640), (14590, 135576), (15064, 131310), (16140, 122556), (16947, 116720), (17508, 112980), (18830, 105048), (19368, 102130), (20426, 96840), (21520, 91917), (21885, 90384), (22596, 87540), (23344, 84735), (24210, 81704), (26262, 75320), (28245, 70032), (29180, 67788), (30128, 65655), (30639, 64560), (32280, 61278), (33894, 58360), (35016, 56490), (37660, 52524), (38736, 51065), (40852, 48420), (43770, 45192)]