19644120

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 49545000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 47, 54, 60, 72, 81, 86, 90, 94, 108, 120, 129, 135, 141, 162, 172, 180, 188, 215, 216, 235, 243, 258, 270, 282, 324, 344, 360, 376, 387, 405, 423, 430, 470, 486, 516, 540, 564, 645, 648, 705, 774, 810, 846, 860, 940, 972, 1032, 1080, 1128, 1161, 1215, 1269, 1290, 1410, 1548, 1620, 1692, 1720, 1880, 1935, 1944, 2021, 2115, 2322, 2430, 2538, 2580, 2820, 3096, 3240, 3384, 3483, 3807, 3870, 4042, 4230, 4644, 4860, 5076, 5160, 5640, 5805, 6063, 6345, 6966, 7614, 7740, 8084, 8460, 9288, 9720, 10105, 10152, 10449, 11421, 11610, 12126, 12690, 13932, 15228, 15480, 16168, 16920, 17415, 18189, 19035, 20210, 20898, 22842, 23220, 24252, 25380, 27864, 30315, 30456, 34830, 36378, 38070, 40420, 41796, 45684, 46440, 48504, 50760, 52245, 54567, 57105, 60630, 69660, 72756, 76140, 80840, 83592, 90945, 91368, 104490, 109134, 114210, 121260, 139320, 145512, 152280, 163701, 181890, 208980, 218268, 228420, 242520, 272835, 327402, 363780, 417960, 436536, 456840, 491103, 545670, 654804, 727560, 818505, 982206, 1091340, 1309608, 1637010, 1964412, 2182680, 2455515, 3274020, 3928824, 4911030, 6548040, 9822060, 19644120]

約数ペア:

[(1, 19644120), (2, 9822060), (3, 6548040), (4, 4911030), (5, 3928824), (6, 3274020), (8, 2455515), (9, 2182680), (10, 1964412), (12, 1637010), (15, 1309608), (18, 1091340), (20, 982206), (24, 818505), (27, 727560), (30, 654804), (36, 545670), (40, 491103), (43, 456840), (45, 436536), (47, 417960), (54, 363780), (60, 327402), (72, 272835), (81, 242520), (86, 228420), (90, 218268), (94, 208980), (108, 181890), (120, 163701), (129, 152280), (135, 145512), (141, 139320), (162, 121260), (172, 114210), (180, 109134), (188, 104490), (215, 91368), (216, 90945), (235, 83592), (243, 80840), (258, 76140), (270, 72756), (282, 69660), (324, 60630), (344, 57105), (360, 54567), (376, 52245), (387, 50760), (405, 48504), (423, 46440), (430, 45684), (470, 41796), (486, 40420), (516, 38070), (540, 36378), (564, 34830), (645, 30456), (648, 30315), (705, 27864), (774, 25380), (810, 24252), (846, 23220), (860, 22842), (940, 20898), (972, 20210), (1032, 19035), (1080, 18189), (1128, 17415), (1161, 16920), (1215, 16168), (1269, 15480), (1290, 15228), (1410, 13932), (1548, 12690), (1620, 12126), (1692, 11610), (1720, 11421), (1880, 10449), (1935, 10152), (1944, 10105), (2021, 9720), (2115, 9288), (2322, 8460), (2430, 8084), (2538, 7740), (2580, 7614), (2820, 6966), (3096, 6345), (3240, 6063), (3384, 5805), (3483, 5640), (3807, 5160), (3870, 5076), (4042, 4860), (4230, 4644)]