155151720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7600

約数の個数: 128

約数和(自身を含む): 544464000

約数和(自身を除く): 389312280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 7561, 10260, 15122, 20520, 22683, 30244, 37805, 45366, 60488, 68049, 75610, 90732, 113415, 136098, 143659, 151220, 181464, 204147, 226830, 272196, 287318, 302440, 340245, 408294, 430977, 453660, 544392, 574636, 680490, 718295, 816588, 861954, 907320, 1020735, 1149272, 1292931, 1360980, 1436590, 1633176, 1723908, 2041470, 2154885, 2585862, 2721960, 2873180, 3447816, 3878793, 4082940, 4309770, 5171724, 5746360, 6464655, 7757586, 8165880, 8619540, 10343448, 12929310, 15515172, 17239080, 19393965, 25858620, 31030344, 38787930, 51717240, 77575860, 155151720]

約数ペア:

[(1, 155151720), (2, 77575860), (3, 51717240), (4, 38787930), (5, 31030344), (6, 25858620), (8, 19393965), (9, 17239080), (10, 15515172), (12, 12929310), (15, 10343448), (18, 8619540), (19, 8165880), (20, 7757586), (24, 6464655), (27, 5746360), (30, 5171724), (36, 4309770), (38, 4082940), (40, 3878793), (45, 3447816), (54, 2873180), (57, 2721960), (60, 2585862), (72, 2154885), (76, 2041470), (90, 1723908), (95, 1633176), (108, 1436590), (114, 1360980), (120, 1292931), (135, 1149272), (152, 1020735), (171, 907320), (180, 861954), (190, 816588), (216, 718295), (228, 680490), (270, 574636), (285, 544392), (342, 453660), (360, 430977), (380, 408294), (456, 340245), (513, 302440), (540, 287318), (570, 272196), (684, 226830), (760, 204147), (855, 181464), (1026, 151220), (1080, 143659), (1140, 136098), (1368, 113415), (1710, 90732), (2052, 75610), (2280, 68049), (2565, 60488), (3420, 45366), (4104, 37805), (5130, 30244), (6840, 22683), (7561, 20520), (10260, 15122)]