309226240

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7793}}^1$

素因数の和:7845

約数の個数: 72

約数和(自身を含む): 764684928

約数和(自身を除く): 455458688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7793, 7936, 9920, 15586, 19840, 31172, 38965, 39680, 62344, 77930, 124688, 155860, 241583, 249376, 311720, 483166, 498752, 623440, 966332, 997504, 1207915, 1246880, 1932664, 1995008, 2415830, 2493760, 3865328, 4831660, 4987520, 7730656, 9663320, 9975040, 15461312, 19326640, 30922624, 38653280, 61845248, 77306560, 154613120, 309226240]

約数ペア:

[(1, 309226240), (2, 154613120), (4, 77306560), (5, 61845248), (8, 38653280), (10, 30922624), (16, 19326640), (20, 15461312), (31, 9975040), (32, 9663320), (40, 7730656), (62, 4987520), (64, 4831660), (80, 3865328), (124, 2493760), (128, 2415830), (155, 1995008), (160, 1932664), (248, 1246880), (256, 1207915), (310, 997504), (320, 966332), (496, 623440), (620, 498752), (640, 483166), (992, 311720), (1240, 249376), (1280, 241583), (1984, 155860), (2480, 124688), (3968, 77930), (4960, 62344), (7793, 39680), (7936, 38965), (9920, 31172), (15586, 19840)]