240644520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 862553340

約数和(自身を除く): 621908820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 257, 270, 289, 306, 324, 340, 360, 405, 408, 459, 510, 514, 540, 578, 612, 648, 680, 765, 771, 810, 867, 918, 1020, 1028, 1080, 1156, 1224, 1285, 1377, 1445, 1530, 1542, 1620, 1734, 1836, 2040, 2056, 2295, 2312, 2313, 2570, 2601, 2754, 2890, 3060, 3084, 3240, 3468, 3672, 3855, 4335, 4369, 4590, 4626, 5140, 5202, 5508, 5780, 6120, 6168, 6885, 6936, 6939, 7710, 7803, 8670, 8738, 9180, 9252, 10280, 10404, 11016, 11560, 11565, 13005, 13107, 13770, 13878, 15420, 15606, 17340, 17476, 18360, 18504, 20808, 20817, 21845, 23130, 23409, 26010, 26214, 27540, 27756, 30840, 31212, 34680, 34695, 34952, 39015, 39321, 41634, 43690, 46260, 46818, 52020, 52428, 55080, 55512, 62424, 65535, 69390, 74273, 78030, 78642, 83268, 87380, 92520, 93636, 104040, 104085, 104856, 117045, 117963, 131070, 138780, 148546, 156060, 157284, 166536, 174760, 187272, 196605, 208170, 222819, 234090, 235926, 262140, 277560, 297092, 312120, 314568, 353889, 371365, 393210, 416340, 445638, 468180, 471852, 524280, 589815, 594184, 668457, 707778, 742730, 786420, 832680, 891276, 936360, 943704, 1114095, 1179630, 1336914, 1415556, 1485460, 1572840, 1769445, 1782552, 2005371, 2228190, 2359260, 2673828, 2831112, 2970920, 3342285, 3538890, 4010742, 4456380, 4718520, 5347656, 6016113, 6684570, 7077780, 8021484, 8912760, 10026855, 12032226, 13369140, 14155560, 16042968, 20053710, 24064452, 26738280, 30080565, 40107420, 48128904, 60161130, 80214840, 120322260, 240644520]

約数ペア:

[(1, 240644520), (2, 120322260), (3, 80214840), (4, 60161130), (5, 48128904), (6, 40107420), (8, 30080565), (9, 26738280), (10, 24064452), (12, 20053710), (15, 16042968), (17, 14155560), (18, 13369140), (20, 12032226), (24, 10026855), (27, 8912760), (30, 8021484), (34, 7077780), (36, 6684570), (40, 6016113), (45, 5347656), (51, 4718520), (54, 4456380), (60, 4010742), (68, 3538890), (72, 3342285), (81, 2970920), (85, 2831112), (90, 2673828), (102, 2359260), (108, 2228190), (120, 2005371), (135, 1782552), (136, 1769445), (153, 1572840), (162, 1485460), (170, 1415556), (180, 1336914), (204, 1179630), (216, 1114095), (255, 943704), (257, 936360), (270, 891276), (289, 832680), (306, 786420), (324, 742730), (340, 707778), (360, 668457), (405, 594184), (408, 589815), (459, 524280), (510, 471852), (514, 468180), (540, 445638), (578, 416340), (612, 393210), (648, 371365), (680, 353889), (765, 314568), (771, 312120), (810, 297092), (867, 277560), (918, 262140), (1020, 235926), (1028, 234090), (1080, 222819), (1156, 208170), (1224, 196605), (1285, 187272), (1377, 174760), (1445, 166536), (1530, 157284), (1542, 156060), (1620, 148546), (1734, 138780), (1836, 131070), (2040, 117963), (2056, 117045), (2295, 104856), (2312, 104085), (2313, 104040), (2570, 93636), (2601, 92520), (2754, 87380), (2890, 83268), (3060, 78642), (3084, 78030), (3240, 74273), (3468, 69390), (3672, 65535), (3855, 62424), (4335, 55512), (4369, 55080), (4590, 52428), (4626, 52020), (5140, 46818), (5202, 46260), (5508, 43690), (5780, 41634), (6120, 39321), (6168, 39015), (6885, 34952), (6936, 34695), (6939, 34680), (7710, 31212), (7803, 30840), (8670, 27756), (8738, 27540), (9180, 26214), (9252, 26010), (10280, 23409), (10404, 23130), (11016, 21845), (11560, 20817), (11565, 20808), (13005, 18504), (13107, 18360), (13770, 17476), (13878, 17340), (15420, 15606)]