19620360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 128

約数和(自身を含む): 67305600

約数和(自身を除く): 47685240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 491, 540, 555, 666, 740, 888, 982, 999, 1080, 1110, 1332, 1473, 1480, 1665, 1964, 1998, 2220, 2455, 2664, 2946, 3330, 3928, 3996, 4419, 4440, 4910, 4995, 5892, 6660, 7365, 7992, 8838, 9820, 9990, 11784, 13257, 13320, 14730, 17676, 18167, 19640, 19980, 22095, 26514, 29460, 35352, 36334, 39960, 44190, 53028, 54501, 58920, 66285, 72668, 88380, 90835, 106056, 109002, 132570, 145336, 163503, 176760, 181670, 218004, 265140, 272505, 327006, 363340, 436008, 490509, 530280, 545010, 654012, 726680, 817515, 981018, 1090020, 1308024, 1635030, 1962036, 2180040, 2452545, 3270060, 3924072, 4905090, 6540120, 9810180, 19620360]

約数ペア:

[(1, 19620360), (2, 9810180), (3, 6540120), (4, 4905090), (5, 3924072), (6, 3270060), (8, 2452545), (9, 2180040), (10, 1962036), (12, 1635030), (15, 1308024), (18, 1090020), (20, 981018), (24, 817515), (27, 726680), (30, 654012), (36, 545010), (37, 530280), (40, 490509), (45, 436008), (54, 363340), (60, 327006), (72, 272505), (74, 265140), (90, 218004), (108, 181670), (111, 176760), (120, 163503), (135, 145336), (148, 132570), (180, 109002), (185, 106056), (216, 90835), (222, 88380), (270, 72668), (296, 66285), (333, 58920), (360, 54501), (370, 53028), (444, 44190), (491, 39960), (540, 36334), (555, 35352), (666, 29460), (740, 26514), (888, 22095), (982, 19980), (999, 19640), (1080, 18167), (1110, 17676), (1332, 14730), (1473, 13320), (1480, 13257), (1665, 11784), (1964, 9990), (1998, 9820), (2220, 8838), (2455, 7992), (2664, 7365), (2946, 6660), (3330, 5892), (3928, 4995), (3996, 4910), (4419, 4440)]