28085070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 78962688

約数和(自身を除く): 50877618

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 31, 39, 46, 62, 65, 69, 78, 93, 101, 115, 130, 138, 155, 186, 195, 202, 230, 299, 303, 310, 345, 390, 403, 465, 505, 598, 606, 690, 713, 806, 897, 930, 1010, 1209, 1313, 1426, 1495, 1515, 1794, 2015, 2139, 2323, 2418, 2626, 2990, 3030, 3131, 3565, 3939, 4030, 4278, 4485, 4646, 6045, 6262, 6565, 6969, 7130, 7878, 8970, 9269, 9393, 10695, 11615, 12090, 13130, 13938, 15655, 18538, 18786, 19695, 21390, 23230, 27807, 30199, 31310, 34845, 39390, 40703, 46345, 46965, 55614, 60398, 69690, 72013, 81406, 90597, 92690, 93930, 122109, 139035, 144026, 150995, 181194, 203515, 216039, 244218, 278070, 301990, 360065, 407030, 432078, 452985, 610545, 720130, 905970, 936169, 1080195, 1221090, 1872338, 2160390, 2808507, 4680845, 5617014, 9361690, 14042535, 28085070]

約数ペア:

[(1, 28085070), (2, 14042535), (3, 9361690), (5, 5617014), (6, 4680845), (10, 2808507), (13, 2160390), (15, 1872338), (23, 1221090), (26, 1080195), (30, 936169), (31, 905970), (39, 720130), (46, 610545), (62, 452985), (65, 432078), (69, 407030), (78, 360065), (93, 301990), (101, 278070), (115, 244218), (130, 216039), (138, 203515), (155, 181194), (186, 150995), (195, 144026), (202, 139035), (230, 122109), (299, 93930), (303, 92690), (310, 90597), (345, 81406), (390, 72013), (403, 69690), (465, 60398), (505, 55614), (598, 46965), (606, 46345), (690, 40703), (713, 39390), (806, 34845), (897, 31310), (930, 30199), (1010, 27807), (1209, 23230), (1313, 21390), (1426, 19695), (1495, 18786), (1515, 18538), (1794, 15655), (2015, 13938), (2139, 13130), (2323, 12090), (2418, 11615), (2626, 10695), (2990, 9393), (3030, 9269), (3131, 8970), (3565, 7878), (3939, 7130), (4030, 6969), (4278, 6565), (4485, 6262), (4646, 6045)]