218753640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{12401}}^1$

素因数の和:12432

約数の個数: 144

約数和(自身を含む): 827089380

約数和(自身を除く): 608335740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 12401, 17640, 24802, 37203, 49604, 62005, 74406, 86807, 99208, 111609, 124010, 148812, 173614, 186015, 223218, 248020, 260421, 297624, 347228, 372030, 434035, 446436, 496040, 520842, 558045, 607649, 694456, 744060, 781263, 868070, 892872, 1041684, 1116090, 1215298, 1302105, 1488120, 1562526, 1736140, 1822947, 2083368, 2232180, 2430596, 2604210, 3038245, 3125052, 3472280, 3645894, 3906315, 4464360, 4861192, 5208420, 5468841, 6076490, 6250104, 7291788, 7812630, 9114735, 10416840, 10937682, 12152980, 14583576, 15625260, 18229470, 21875364, 24305960, 27344205, 31250520, 36458940, 43750728, 54688410, 72917880, 109376820, 218753640]

約数ペア:

[(1, 218753640), (2, 109376820), (3, 72917880), (4, 54688410), (5, 43750728), (6, 36458940), (7, 31250520), (8, 27344205), (9, 24305960), (10, 21875364), (12, 18229470), (14, 15625260), (15, 14583576), (18, 12152980), (20, 10937682), (21, 10416840), (24, 9114735), (28, 7812630), (30, 7291788), (35, 6250104), (36, 6076490), (40, 5468841), (42, 5208420), (45, 4861192), (49, 4464360), (56, 3906315), (60, 3645894), (63, 3472280), (70, 3125052), (72, 3038245), (84, 2604210), (90, 2430596), (98, 2232180), (105, 2083368), (120, 1822947), (126, 1736140), (140, 1562526), (147, 1488120), (168, 1302105), (180, 1215298), (196, 1116090), (210, 1041684), (245, 892872), (252, 868070), (280, 781263), (294, 744060), (315, 694456), (360, 607649), (392, 558045), (420, 520842), (441, 496040), (490, 446436), (504, 434035), (588, 372030), (630, 347228), (735, 297624), (840, 260421), (882, 248020), (980, 223218), (1176, 186015), (1260, 173614), (1470, 148812), (1764, 124010), (1960, 111609), (2205, 99208), (2520, 86807), (2940, 74406), (3528, 62005), (4410, 49604), (5880, 37203), (8820, 24802), (12401, 17640)]