31962780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 102368448

約数和(自身を除く): 70405668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 61, 71, 82, 90, 122, 123, 142, 164, 180, 183, 205, 213, 244, 246, 284, 305, 355, 366, 369, 410, 426, 492, 549, 610, 615, 639, 710, 732, 738, 820, 852, 915, 1065, 1098, 1220, 1230, 1278, 1420, 1476, 1830, 1845, 2130, 2196, 2460, 2501, 2556, 2745, 2911, 3195, 3660, 3690, 4260, 4331, 5002, 5490, 5822, 6390, 7380, 7503, 8662, 8733, 10004, 10980, 11644, 12505, 12780, 12993, 14555, 15006, 17324, 17466, 21655, 22509, 25010, 25986, 26199, 29110, 30012, 34932, 37515, 38979, 43310, 43665, 45018, 50020, 51972, 52398, 58220, 64965, 75030, 77958, 86620, 87330, 90036, 104796, 112545, 129930, 130995, 150060, 155916, 174660, 177571, 194895, 225090, 259860, 261990, 355142, 389790, 450180, 523980, 532713, 710284, 779580, 887855, 1065426, 1598139, 1775710, 2130852, 2663565, 3196278, 3551420, 5327130, 6392556, 7990695, 10654260, 15981390, 31962780]

約数ペア:

[(1, 31962780), (2, 15981390), (3, 10654260), (4, 7990695), (5, 6392556), (6, 5327130), (9, 3551420), (10, 3196278), (12, 2663565), (15, 2130852), (18, 1775710), (20, 1598139), (30, 1065426), (36, 887855), (41, 779580), (45, 710284), (60, 532713), (61, 523980), (71, 450180), (82, 389790), (90, 355142), (122, 261990), (123, 259860), (142, 225090), (164, 194895), (180, 177571), (183, 174660), (205, 155916), (213, 150060), (244, 130995), (246, 129930), (284, 112545), (305, 104796), (355, 90036), (366, 87330), (369, 86620), (410, 77958), (426, 75030), (492, 64965), (549, 58220), (610, 52398), (615, 51972), (639, 50020), (710, 45018), (732, 43665), (738, 43310), (820, 38979), (852, 37515), (915, 34932), (1065, 30012), (1098, 29110), (1220, 26199), (1230, 25986), (1278, 25010), (1420, 22509), (1476, 21655), (1830, 17466), (1845, 17324), (2130, 15006), (2196, 14555), (2460, 12993), (2501, 12780), (2556, 12505), (2745, 11644), (2911, 10980), (3195, 10004), (3660, 8733), (3690, 8662), (4260, 7503), (4331, 7380), (5002, 6390), (5490, 5822)]