1687617540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78787}}^1$

素因数の和:78826

約数の個数: 144

約数和(自身を含む): 6194627712

約数和(自身を除く): 4507010172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420, 78787, 157574, 236361, 315148, 393935, 472722, 551509, 709083, 787870, 945444, 1103018, 1181805, 1339379, 1418166, 1575740, 1654527, 2206036, 2363610, 2678758, 2757545, 2836332, 3309054, 3545415, 4018137, 4727220, 4963581, 5357516, 5515090, 6618108, 6696895, 7090830, 8036274, 8272635, 9375653, 9927162, 11030180, 12054411, 13393790, 14181660, 16072548, 16545270, 18751306, 19854324, 20090685, 24108822, 24817905, 26787580, 28126959, 33090540, 37502612, 40181370, 46878265, 48217644, 49635810, 56253918, 60272055, 80362740, 84380877, 93756530, 99271620, 112507836, 120544110, 140634795, 168761754, 187513060, 241088220, 281269590, 337523508, 421904385, 562539180, 843808770, 1687617540]

約数ペア:

[(1, 1687617540), (2, 843808770), (3, 562539180), (4, 421904385), (5, 337523508), (6, 281269590), (7, 241088220), (9, 187513060), (10, 168761754), (12, 140634795), (14, 120544110), (15, 112507836), (17, 99271620), (18, 93756530), (20, 84380877), (21, 80362740), (28, 60272055), (30, 56253918), (34, 49635810), (35, 48217644), (36, 46878265), (42, 40181370), (45, 37502612), (51, 33090540), (60, 28126959), (63, 26787580), (68, 24817905), (70, 24108822), (84, 20090685), (85, 19854324), (90, 18751306), (102, 16545270), (105, 16072548), (119, 14181660), (126, 13393790), (140, 12054411), (153, 11030180), (170, 9927162), (180, 9375653), (204, 8272635), (210, 8036274), (238, 7090830), (252, 6696895), (255, 6618108), (306, 5515090), (315, 5357516), (340, 4963581), (357, 4727220), (420, 4018137), (476, 3545415), (510, 3309054), (595, 2836332), (612, 2757545), (630, 2678758), (714, 2363610), (765, 2206036), (1020, 1654527), (1071, 1575740), (1190, 1418166), (1260, 1339379), (1428, 1181805), (1530, 1103018), (1785, 945444), (2142, 787870), (2380, 709083), (3060, 551509), (3570, 472722), (4284, 393935), (5355, 315148), (7140, 236361), (10710, 157574), (21420, 78787)]