303523480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 799948800

約数和(自身を除く): 496425320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 988, 991, 1178, 1235, 1240, 1612, 1976, 1982, 2015, 2356, 2470, 2945, 3224, 3964, 4030, 4712, 4940, 4955, 5890, 7657, 7928, 8060, 9880, 9910, 11780, 12883, 15314, 16120, 18829, 19820, 23560, 25766, 30628, 30721, 37658, 38285, 39640, 51532, 61256, 61442, 64415, 75316, 76570, 94145, 103064, 122884, 128830, 150632, 153140, 153605, 188290, 244777, 245768, 257660, 306280, 307210, 376580, 399373, 489554, 515320, 583699, 614420, 753160, 798746, 979108, 1167398, 1223885, 1228840, 1597492, 1958216, 1996865, 2334796, 2447770, 2918495, 3194984, 3993730, 4669592, 4895540, 5836990, 7588087, 7987460, 9791080, 11673980, 15176174, 15974920, 23347960, 30352348, 37940435, 60704696, 75880870, 151761740, 303523480]

約数ペア:

[(1, 303523480), (2, 151761740), (4, 75880870), (5, 60704696), (8, 37940435), (10, 30352348), (13, 23347960), (19, 15974920), (20, 15176174), (26, 11673980), (31, 9791080), (38, 7987460), (40, 7588087), (52, 5836990), (62, 4895540), (65, 4669592), (76, 3993730), (95, 3194984), (104, 2918495), (124, 2447770), (130, 2334796), (152, 1996865), (155, 1958216), (190, 1597492), (247, 1228840), (248, 1223885), (260, 1167398), (310, 979108), (380, 798746), (403, 753160), (494, 614420), (520, 583699), (589, 515320), (620, 489554), (760, 399373), (806, 376580), (988, 307210), (991, 306280), (1178, 257660), (1235, 245768), (1240, 244777), (1612, 188290), (1976, 153605), (1982, 153140), (2015, 150632), (2356, 128830), (2470, 122884), (2945, 103064), (3224, 94145), (3964, 76570), (4030, 75316), (4712, 64415), (4940, 61442), (4955, 61256), (5890, 51532), (7657, 39640), (7928, 38285), (8060, 37658), (9880, 30721), (9910, 30628), (11780, 25766), (12883, 23560), (15314, 19820), (16120, 18829)]