218753080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3213

約数の個数: 128

約数和(自身を含む): 637862400

約数和(自身を除く): 419109320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1976, 2470, 2660, 3163, 3458, 3640, 4940, 5320, 6326, 6916, 8645, 9880, 12652, 13832, 15815, 17290, 22141, 25304, 31630, 34580, 41119, 44282, 60097, 63260, 69160, 82238, 88564, 110705, 120194, 126520, 164476, 177128, 205595, 221410, 240388, 287833, 300485, 328952, 411190, 420679, 442820, 480776, 575666, 600970, 781261, 822380, 841358, 885640, 1151332, 1201940, 1439165, 1562522, 1644760, 1682716, 2103395, 2302664, 2403880, 2878330, 3125044, 3365432, 3906305, 4206790, 5468827, 5756660, 6250088, 7812610, 8413580, 10937654, 11513320, 15625220, 16827160, 21875308, 27344135, 31250440, 43750616, 54688270, 109376540, 218753080]

約数ペア:

[(1, 218753080), (2, 109376540), (4, 54688270), (5, 43750616), (7, 31250440), (8, 27344135), (10, 21875308), (13, 16827160), (14, 15625220), (19, 11513320), (20, 10937654), (26, 8413580), (28, 7812610), (35, 6250088), (38, 5756660), (40, 5468827), (52, 4206790), (56, 3906305), (65, 3365432), (70, 3125044), (76, 2878330), (91, 2403880), (95, 2302664), (104, 2103395), (130, 1682716), (133, 1644760), (140, 1562522), (152, 1439165), (182, 1201940), (190, 1151332), (247, 885640), (260, 841358), (266, 822380), (280, 781261), (364, 600970), (380, 575666), (455, 480776), (494, 442820), (520, 420679), (532, 411190), (665, 328952), (728, 300485), (760, 287833), (910, 240388), (988, 221410), (1064, 205595), (1235, 177128), (1330, 164476), (1729, 126520), (1820, 120194), (1976, 110705), (2470, 88564), (2660, 82238), (3163, 69160), (3458, 63260), (3640, 60097), (4940, 44282), (5320, 41119), (6326, 34580), (6916, 31630), (8645, 25304), (9880, 22141), (12652, 17290), (13832, 15815)]