728168880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:2003

約数の個数: 160

約数和(自身を含む): 2373490944

約数和(自身を除く): 1645322064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 43, 48, 60, 74, 80, 86, 111, 120, 129, 148, 172, 185, 215, 222, 240, 258, 296, 344, 370, 430, 444, 516, 555, 592, 645, 688, 740, 860, 888, 1032, 1110, 1290, 1480, 1591, 1720, 1776, 1907, 2064, 2220, 2580, 2960, 3182, 3440, 3814, 4440, 4773, 5160, 5721, 6364, 7628, 7955, 8880, 9535, 9546, 10320, 11442, 12728, 15256, 15910, 19070, 19092, 22884, 23865, 25456, 28605, 30512, 31820, 38140, 38184, 45768, 47730, 57210, 63640, 70559, 76280, 76368, 82001, 91536, 95460, 114420, 127280, 141118, 152560, 164002, 190920, 211677, 228840, 246003, 282236, 328004, 352795, 381840, 410005, 423354, 457680, 492006, 564472, 656008, 705590, 820010, 846708, 984012, 1058385, 1128944, 1230015, 1312016, 1411180, 1640020, 1693416, 1968024, 2116770, 2460030, 2822360, 3034037, 3280040, 3386832, 3936048, 4233540, 4920060, 5644720, 6068074, 6560080, 8467080, 9102111, 9840120, 12136148, 15170185, 16934160, 18204222, 19680240, 24272296, 30340370, 36408444, 45510555, 48544592, 60680740, 72816888, 91021110, 121361480, 145633776, 182042220, 242722960, 364084440, 728168880]

約数ペア:

[(1, 728168880), (2, 364084440), (3, 242722960), (4, 182042220), (5, 145633776), (6, 121361480), (8, 91021110), (10, 72816888), (12, 60680740), (15, 48544592), (16, 45510555), (20, 36408444), (24, 30340370), (30, 24272296), (37, 19680240), (40, 18204222), (43, 16934160), (48, 15170185), (60, 12136148), (74, 9840120), (80, 9102111), (86, 8467080), (111, 6560080), (120, 6068074), (129, 5644720), (148, 4920060), (172, 4233540), (185, 3936048), (215, 3386832), (222, 3280040), (240, 3034037), (258, 2822360), (296, 2460030), (344, 2116770), (370, 1968024), (430, 1693416), (444, 1640020), (516, 1411180), (555, 1312016), (592, 1230015), (645, 1128944), (688, 1058385), (740, 984012), (860, 846708), (888, 820010), (1032, 705590), (1110, 656008), (1290, 564472), (1480, 492006), (1591, 457680), (1720, 423354), (1776, 410005), (1907, 381840), (2064, 352795), (2220, 328004), (2580, 282236), (2960, 246003), (3182, 228840), (3440, 211677), (3814, 190920), (4440, 164002), (4773, 152560), (5160, 141118), (5721, 127280), (6364, 114420), (7628, 95460), (7955, 91536), (8880, 82001), (9535, 76368), (9546, 76280), (10320, 70559), (11442, 63640), (12728, 57210), (15256, 47730), (15910, 45768), (19070, 38184), (19092, 38140), (22884, 31820), (23865, 30512), (25456, 28605)]