81840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1$

素因数の和:1589

約数の個数: 160

約数和(自身を含む): 289481472

約数和(自身を除く): 207640752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 390, 408, 442, 510, 520, 624, 663, 680, 780, 816, 884, 1020, 1040, 1105, 1326, 1360, 1543, 1560, 1768, 2040, 2210, 2652, 3086, 3120, 3315, 3536, 4080, 4420, 4629, 5304, 6172, 6630, 7715, 8840, 9258, 10608, 12344, 13260, 15430, 17680, 18516, 20059, 23145, 24688, 26231, 26520, 30860, 37032, 40118, 46290, 52462, 53040, 60177, 61720, 74064, 78693, 80236, 92580, 100295, 104924, 120354, 123440, 131155, 157386, 160472, 185160, 200590, 209848, 240708, 262310, 300885, 314772, 320944, 341003, 370320, 393465, 401180, 419696, 481416, 524620, 601770, 629544, 682006, 786930, 802360, 962832, 1023009, 1049240, 1203540, 1259088, 1364012, 1573860, 1604720, 1705015, 2046018, 2098480, 2407080, 2728024, 3147720, 3410030, 4092036, 4814160, 5115045, 5456048, 6295440, 6820060, 8184072, 10230090, 13640120, 16368144, 20460180, 27280240, 40920360, 81840720]

約数ペア:

[(1, 81840720), (2, 40920360), (3, 27280240), (4, 20460180), (5, 16368144), (6, 13640120), (8, 10230090), (10, 8184072), (12, 6820060), (13, 6295440), (15, 5456048), (16, 5115045), (17, 4814160), (20, 4092036), (24, 3410030), (26, 3147720), (30, 2728024), (34, 2407080), (39, 2098480), (40, 2046018), (48, 1705015), (51, 1604720), (52, 1573860), (60, 1364012), (65, 1259088), (68, 1203540), (78, 1049240), (80, 1023009), (85, 962832), (102, 802360), (104, 786930), (120, 682006), (130, 629544), (136, 601770), (156, 524620), (170, 481416), (195, 419696), (204, 401180), (208, 393465), (221, 370320), (240, 341003), (255, 320944), (260, 314772), (272, 300885), (312, 262310), (340, 240708), (390, 209848), (408, 200590), (442, 185160), (510, 160472), (520, 157386), (624, 131155), (663, 123440), (680, 120354), (780, 104924), (816, 100295), (884, 92580), (1020, 80236), (1040, 78693), (1105, 74064), (1326, 61720), (1360, 60177), (1543, 53040), (1560, 52462), (1768, 46290), (2040, 40118), (2210, 37032), (2652, 30860), (3086, 26520), (3120, 26231), (3315, 24688), (3536, 23145), (4080, 20059), (4420, 18516), (4629, 17680), (5304, 15430), (6172, 13260), (6630, 12344), (7715, 10608), (8840, 9258)]