28939440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 97868736

約数和(自身を除く): 68929296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 173, 204, 205, 240, 246, 255, 272, 328, 340, 346, 408, 410, 492, 510, 519, 615, 656, 680, 692, 697, 816, 820, 865, 984, 1020, 1038, 1230, 1360, 1384, 1394, 1640, 1730, 1968, 2040, 2076, 2091, 2460, 2595, 2768, 2788, 2941, 3280, 3460, 3485, 4080, 4152, 4182, 4920, 5190, 5576, 5882, 6920, 6970, 7093, 8304, 8364, 8823, 9840, 10380, 10455, 11152, 11764, 13840, 13940, 14186, 14705, 16728, 17646, 20760, 20910, 21279, 23528, 27880, 28372, 29410, 33456, 35292, 35465, 41520, 41820, 42558, 44115, 47056, 55760, 56744, 58820, 70584, 70930, 83640, 85116, 88230, 106395, 113488, 117640, 120581, 141168, 141860, 167280, 170232, 176460, 212790, 235280, 241162, 283720, 340464, 352920, 361743, 425580, 482324, 567440, 602905, 705840, 723486, 851160, 964648, 1205810, 1446972, 1702320, 1808715, 1929296, 2411620, 2893944, 3617430, 4823240, 5787888, 7234860, 9646480, 14469720, 28939440]

約数ペア:

[(1, 28939440), (2, 14469720), (3, 9646480), (4, 7234860), (5, 5787888), (6, 4823240), (8, 3617430), (10, 2893944), (12, 2411620), (15, 1929296), (16, 1808715), (17, 1702320), (20, 1446972), (24, 1205810), (30, 964648), (34, 851160), (40, 723486), (41, 705840), (48, 602905), (51, 567440), (60, 482324), (68, 425580), (80, 361743), (82, 352920), (85, 340464), (102, 283720), (120, 241162), (123, 235280), (136, 212790), (164, 176460), (170, 170232), (173, 167280), (204, 141860), (205, 141168), (240, 120581), (246, 117640), (255, 113488), (272, 106395), (328, 88230), (340, 85116), (346, 83640), (408, 70930), (410, 70584), (492, 58820), (510, 56744), (519, 55760), (615, 47056), (656, 44115), (680, 42558), (692, 41820), (697, 41520), (816, 35465), (820, 35292), (865, 33456), (984, 29410), (1020, 28372), (1038, 27880), (1230, 23528), (1360, 21279), (1384, 20910), (1394, 20760), (1640, 17646), (1730, 16728), (1968, 14705), (2040, 14186), (2076, 13940), (2091, 13840), (2460, 11764), (2595, 11152), (2768, 10455), (2788, 10380), (2941, 9840), (3280, 8823), (3460, 8364), (3485, 8304), (4080, 7093), (4152, 6970), (4182, 6920), (4920, 5882), (5190, 5576)]