73218780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 237619200

約数和(自身を除く): 164400420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 271, 285, 316, 342, 380, 395, 474, 542, 570, 684, 711, 790, 813, 855, 948, 1084, 1140, 1185, 1355, 1422, 1501, 1580, 1626, 1710, 2370, 2439, 2710, 2844, 3002, 3252, 3420, 3555, 4065, 4503, 4740, 4878, 5149, 5420, 6004, 7110, 7505, 8130, 9006, 9756, 10298, 12195, 13509, 14220, 15010, 15447, 16260, 18012, 20596, 21409, 22515, 24390, 25745, 27018, 30020, 30894, 42818, 45030, 46341, 48780, 51490, 54036, 61788, 64227, 67545, 77235, 85636, 90060, 92682, 102980, 107045, 128454, 135090, 154470, 185364, 192681, 214090, 231705, 256908, 270180, 308940, 321135, 385362, 406771, 428180, 463410, 642270, 770724, 813542, 926820, 963405, 1220313, 1284540, 1627084, 1926810, 2033855, 2440626, 3660939, 3853620, 4067710, 4881252, 6101565, 7321878, 8135420, 12203130, 14643756, 18304695, 24406260, 36609390, 73218780]

約数ペア:

[(1, 73218780), (2, 36609390), (3, 24406260), (4, 18304695), (5, 14643756), (6, 12203130), (9, 8135420), (10, 7321878), (12, 6101565), (15, 4881252), (18, 4067710), (19, 3853620), (20, 3660939), (30, 2440626), (36, 2033855), (38, 1926810), (45, 1627084), (57, 1284540), (60, 1220313), (76, 963405), (79, 926820), (90, 813542), (95, 770724), (114, 642270), (158, 463410), (171, 428180), (180, 406771), (190, 385362), (228, 321135), (237, 308940), (271, 270180), (285, 256908), (316, 231705), (342, 214090), (380, 192681), (395, 185364), (474, 154470), (542, 135090), (570, 128454), (684, 107045), (711, 102980), (790, 92682), (813, 90060), (855, 85636), (948, 77235), (1084, 67545), (1140, 64227), (1185, 61788), (1355, 54036), (1422, 51490), (1501, 48780), (1580, 46341), (1626, 45030), (1710, 42818), (2370, 30894), (2439, 30020), (2710, 27018), (2844, 25745), (3002, 24390), (3252, 22515), (3420, 21409), (3555, 20596), (4065, 18012), (4503, 16260), (4740, 15447), (4878, 15010), (5149, 14220), (5420, 13509), (6004, 12195), (7110, 10298), (7505, 9756), (8130, 9006)]