30180780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1$

素因数の和:1448

約数の個数: 144

約数和(自身を含む): 110859840

約数和(自身を除く): 80679060

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, 1409, 1428, 1530, 1785, 2142, 2380, 2818, 3060, 3570, 4227, 4284, 5355, 5636, 7045, 7140, 8454, 9863, 10710, 12681, 14090, 16908, 19726, 21135, 21420, 23953, 25362, 28180, 29589, 39452, 42270, 47906, 49315, 50724, 59178, 63405, 71859, 84540, 88767, 95812, 98630, 118356, 119765, 126810, 143718, 147945, 167671, 177534, 197260, 215577, 239530, 253620, 287436, 295890, 335342, 355068, 359295, 431154, 443835, 479060, 503013, 591780, 670684, 718590, 838355, 862308, 887670, 1006026, 1077885, 1437180, 1509039, 1676710, 1775340, 2012052, 2155770, 2515065, 3018078, 3353420, 4311540, 5030130, 6036156, 7545195, 10060260, 15090390, 30180780]

約数ペア:

[(1, 30180780), (2, 15090390), (3, 10060260), (4, 7545195), (5, 6036156), (6, 5030130), (7, 4311540), (9, 3353420), (10, 3018078), (12, 2515065), (14, 2155770), (15, 2012052), (17, 1775340), (18, 1676710), (20, 1509039), (21, 1437180), (28, 1077885), (30, 1006026), (34, 887670), (35, 862308), (36, 838355), (42, 718590), (45, 670684), (51, 591780), (60, 503013), (63, 479060), (68, 443835), (70, 431154), (84, 359295), (85, 355068), (90, 335342), (102, 295890), (105, 287436), (119, 253620), (126, 239530), (140, 215577), (153, 197260), (170, 177534), (180, 167671), (204, 147945), (210, 143718), (238, 126810), (252, 119765), (255, 118356), (306, 98630), (315, 95812), (340, 88767), (357, 84540), (420, 71859), (476, 63405), (510, 59178), (595, 50724), (612, 49315), (630, 47906), (714, 42270), (765, 39452), (1020, 29589), (1071, 28180), (1190, 25362), (1260, 23953), (1409, 21420), (1428, 21135), (1530, 19726), (1785, 16908), (2142, 14090), (2380, 12681), (2818, 10710), (3060, 9863), (3570, 8454), (4227, 7140), (4284, 7045), (5355, 5636)]