217502820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 725953536

約数和(自身を除く): 508450716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 61, 62, 71, 81, 90, 93, 108, 122, 124, 135, 142, 155, 162, 180, 183, 186, 213, 244, 270, 279, 284, 305, 310, 324, 355, 366, 372, 405, 426, 465, 540, 549, 558, 610, 620, 639, 710, 732, 810, 837, 852, 915, 930, 1065, 1098, 1116, 1220, 1278, 1395, 1420, 1620, 1647, 1674, 1830, 1860, 1891, 1917, 2130, 2196, 2201, 2511, 2556, 2745, 2790, 3195, 3294, 3348, 3660, 3782, 3834, 4185, 4260, 4331, 4402, 4941, 5022, 5490, 5580, 5673, 5751, 6390, 6588, 6603, 7564, 7668, 8235, 8370, 8662, 8804, 9455, 9585, 9882, 10044, 10980, 11005, 11346, 11502, 12555, 12780, 12993, 13206, 16470, 16740, 17019, 17324, 18910, 19170, 19764, 19809, 21655, 22010, 22692, 23004, 24705, 25110, 25986, 26412, 28365, 28755, 32940, 33015, 34038, 37820, 38340, 38979, 39618, 43310, 44020, 49410, 50220, 51057, 51972, 56730, 57510, 59427, 64965, 66030, 68076, 77958, 79236, 85095, 86620, 98820, 99045, 102114, 113460, 115020, 116937, 118854, 129930, 132060, 134261, 153171, 155916, 170190, 178281, 194895, 198090, 204228, 233874, 237708, 255285, 259860, 268522, 297135, 306342, 340380, 350811, 356562, 389790, 396180, 402783, 467748, 510570, 537044, 584685, 594270, 612684, 671305, 701622, 713124, 765855, 779580, 805566, 891405, 1021140, 1169370, 1188540, 1208349, 1342610, 1403244, 1531710, 1611132, 1754055, 1782810, 2013915, 2338740, 2416698, 2685220, 3063420, 3508110, 3565620, 3625047, 4027830, 4833396, 6041745, 7016220, 7250094, 8055660, 10875141, 12083490, 14500188, 18125235, 21750282, 24166980, 36250470, 43500564, 54375705, 72500940, 108751410, 217502820]

約数ペア:

[(1, 217502820), (2, 108751410), (3, 72500940), (4, 54375705), (5, 43500564), (6, 36250470), (9, 24166980), (10, 21750282), (12, 18125235), (15, 14500188), (18, 12083490), (20, 10875141), (27, 8055660), (30, 7250094), (31, 7016220), (36, 6041745), (45, 4833396), (54, 4027830), (60, 3625047), (61, 3565620), (62, 3508110), (71, 3063420), (81, 2685220), (90, 2416698), (93, 2338740), (108, 2013915), (122, 1782810), (124, 1754055), (135, 1611132), (142, 1531710), (155, 1403244), (162, 1342610), (180, 1208349), (183, 1188540), (186, 1169370), (213, 1021140), (244, 891405), (270, 805566), (279, 779580), (284, 765855), (305, 713124), (310, 701622), (324, 671305), (355, 612684), (366, 594270), (372, 584685), (405, 537044), (426, 510570), (465, 467748), (540, 402783), (549, 396180), (558, 389790), (610, 356562), (620, 350811), (639, 340380), (710, 306342), (732, 297135), (810, 268522), (837, 259860), (852, 255285), (915, 237708), (930, 233874), (1065, 204228), (1098, 198090), (1116, 194895), (1220, 178281), (1278, 170190), (1395, 155916), (1420, 153171), (1620, 134261), (1647, 132060), (1674, 129930), (1830, 118854), (1860, 116937), (1891, 115020), (1917, 113460), (2130, 102114), (2196, 99045), (2201, 98820), (2511, 86620), (2556, 85095), (2745, 79236), (2790, 77958), (3195, 68076), (3294, 66030), (3348, 64965), (3660, 59427), (3782, 57510), (3834, 56730), (4185, 51972), (4260, 51057), (4331, 50220), (4402, 49410), (4941, 44020), (5022, 43310), (5490, 39618), (5580, 38979), (5673, 38340), (5751, 37820), (6390, 34038), (6588, 33015), (6603, 32940), (7564, 28755), (7668, 28365), (8235, 26412), (8370, 25986), (8662, 25110), (8804, 24705), (9455, 23004), (9585, 22692), (9882, 22010), (10044, 21655), (10980, 19809), (11005, 19764), (11346, 19170), (11502, 18910), (12555, 17324), (12780, 17019), (12993, 16740), (13206, 16470)]