121789620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 393120000

約数和(自身を除く): 271330380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 149, 171, 180, 190, 228, 239, 285, 298, 342, 380, 447, 478, 570, 596, 684, 717, 745, 855, 894, 956, 1140, 1195, 1341, 1434, 1490, 1710, 1788, 2151, 2235, 2390, 2682, 2831, 2868, 2980, 3420, 3585, 4302, 4470, 4541, 4780, 5364, 5662, 6705, 7170, 8493, 8604, 8940, 9082, 10755, 11324, 13410, 13623, 14155, 14340, 16986, 18164, 21510, 22705, 25479, 26820, 27246, 28310, 33972, 35611, 40869, 42465, 43020, 45410, 50958, 54492, 56620, 68115, 71222, 81738, 84930, 90820, 101916, 106833, 127395, 136230, 142444, 163476, 169860, 178055, 204345, 213666, 254790, 272460, 320499, 356110, 408690, 427332, 509580, 534165, 640998, 676609, 712220, 817380, 1068330, 1281996, 1353218, 1602495, 2029827, 2136660, 2706436, 3204990, 3383045, 4059654, 6089481, 6409980, 6766090, 8119308, 10149135, 12178962, 13532180, 20298270, 24357924, 30447405, 40596540, 60894810, 121789620]

約数ペア:

[(1, 121789620), (2, 60894810), (3, 40596540), (4, 30447405), (5, 24357924), (6, 20298270), (9, 13532180), (10, 12178962), (12, 10149135), (15, 8119308), (18, 6766090), (19, 6409980), (20, 6089481), (30, 4059654), (36, 3383045), (38, 3204990), (45, 2706436), (57, 2136660), (60, 2029827), (76, 1602495), (90, 1353218), (95, 1281996), (114, 1068330), (149, 817380), (171, 712220), (180, 676609), (190, 640998), (228, 534165), (239, 509580), (285, 427332), (298, 408690), (342, 356110), (380, 320499), (447, 272460), (478, 254790), (570, 213666), (596, 204345), (684, 178055), (717, 169860), (745, 163476), (855, 142444), (894, 136230), (956, 127395), (1140, 106833), (1195, 101916), (1341, 90820), (1434, 84930), (1490, 81738), (1710, 71222), (1788, 68115), (2151, 56620), (2235, 54492), (2390, 50958), (2682, 45410), (2831, 43020), (2868, 42465), (2980, 40869), (3420, 35611), (3585, 33972), (4302, 28310), (4470, 27246), (4541, 26820), (4780, 25479), (5364, 22705), (5662, 21510), (6705, 18164), (7170, 16986), (8493, 14340), (8604, 14155), (8940, 13623), (9082, 13410), (10755, 11324)]