69382620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 219360960

約数和(自身を除く): 149978340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 71, 89, 90, 122, 142, 178, 180, 183, 213, 244, 267, 284, 305, 355, 356, 366, 426, 445, 534, 549, 610, 639, 710, 732, 801, 852, 890, 915, 1065, 1068, 1098, 1220, 1278, 1335, 1420, 1602, 1780, 1830, 2130, 2196, 2556, 2670, 2745, 3195, 3204, 3660, 4005, 4260, 4331, 5340, 5429, 5490, 6319, 6390, 8010, 8662, 10858, 10980, 12638, 12780, 12993, 16020, 16287, 17324, 18957, 21655, 21716, 25276, 25986, 27145, 31595, 32574, 37914, 38979, 43310, 48861, 51972, 54290, 56871, 63190, 64965, 65148, 75828, 77958, 81435, 86620, 94785, 97722, 108580, 113742, 126380, 129930, 155916, 162870, 189570, 194895, 195444, 227484, 244305, 259860, 284355, 325740, 379140, 385459, 389790, 488610, 568710, 770918, 779580, 977220, 1137420, 1156377, 1541836, 1927295, 2312754, 3469131, 3854590, 4625508, 5781885, 6938262, 7709180, 11563770, 13876524, 17345655, 23127540, 34691310, 69382620]

約数ペア:

[(1, 69382620), (2, 34691310), (3, 23127540), (4, 17345655), (5, 13876524), (6, 11563770), (9, 7709180), (10, 6938262), (12, 5781885), (15, 4625508), (18, 3854590), (20, 3469131), (30, 2312754), (36, 1927295), (45, 1541836), (60, 1156377), (61, 1137420), (71, 977220), (89, 779580), (90, 770918), (122, 568710), (142, 488610), (178, 389790), (180, 385459), (183, 379140), (213, 325740), (244, 284355), (267, 259860), (284, 244305), (305, 227484), (355, 195444), (356, 194895), (366, 189570), (426, 162870), (445, 155916), (534, 129930), (549, 126380), (610, 113742), (639, 108580), (710, 97722), (732, 94785), (801, 86620), (852, 81435), (890, 77958), (915, 75828), (1065, 65148), (1068, 64965), (1098, 63190), (1220, 56871), (1278, 54290), (1335, 51972), (1420, 48861), (1602, 43310), (1780, 38979), (1830, 37914), (2130, 32574), (2196, 31595), (2556, 27145), (2670, 25986), (2745, 25276), (3195, 21716), (3204, 21655), (3660, 18957), (4005, 17324), (4260, 16287), (4331, 16020), (5340, 12993), (5429, 12780), (5490, 12638), (6319, 10980), (6390, 10858), (8010, 8662)]