40021380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 144

約数和(自身を含む): 144877824

約数和(自身を除く): 104856444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1381, 1449, 1610, 1932, 2070, 2415, 2762, 2898, 3220, 4140, 4143, 4830, 5524, 5796, 6905, 7245, 8286, 9660, 9667, 12429, 13810, 14490, 16572, 19334, 20715, 24858, 27620, 28980, 29001, 31763, 38668, 41430, 48335, 49716, 58002, 62145, 63526, 82860, 87003, 95289, 96670, 116004, 124290, 127052, 145005, 158815, 174006, 190578, 193340, 222341, 248580, 285867, 290010, 317630, 348012, 381156, 435015, 444682, 476445, 571734, 580020, 635260, 667023, 870030, 889364, 952890, 1111705, 1143468, 1334046, 1429335, 1740060, 1905780, 2001069, 2223410, 2668092, 2858670, 3335115, 4002138, 4446820, 5717340, 6670230, 8004276, 10005345, 13340460, 20010690, 40021380]

約数ペア:

[(1, 40021380), (2, 20010690), (3, 13340460), (4, 10005345), (5, 8004276), (6, 6670230), (7, 5717340), (9, 4446820), (10, 4002138), (12, 3335115), (14, 2858670), (15, 2668092), (18, 2223410), (20, 2001069), (21, 1905780), (23, 1740060), (28, 1429335), (30, 1334046), (35, 1143468), (36, 1111705), (42, 952890), (45, 889364), (46, 870030), (60, 667023), (63, 635260), (69, 580020), (70, 571734), (84, 476445), (90, 444682), (92, 435015), (105, 381156), (115, 348012), (126, 317630), (138, 290010), (140, 285867), (161, 248580), (180, 222341), (207, 193340), (210, 190578), (230, 174006), (252, 158815), (276, 145005), (315, 127052), (322, 124290), (345, 116004), (414, 96670), (420, 95289), (460, 87003), (483, 82860), (630, 63526), (644, 62145), (690, 58002), (805, 49716), (828, 48335), (966, 41430), (1035, 38668), (1260, 31763), (1380, 29001), (1381, 28980), (1449, 27620), (1610, 24858), (1932, 20715), (2070, 19334), (2415, 16572), (2762, 14490), (2898, 13810), (3220, 12429), (4140, 9667), (4143, 9660), (4830, 8286), (5524, 7245), (5796, 6905)]