15530520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 51632640

約数和(自身を除く): 36102120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 331, 340, 345, 391, 408, 460, 510, 552, 662, 680, 690, 782, 920, 993, 1020, 1173, 1324, 1380, 1564, 1655, 1955, 1986, 2040, 2346, 2648, 2760, 3128, 3310, 3910, 3972, 4692, 4965, 5627, 5865, 6620, 7613, 7820, 7944, 9384, 9930, 11254, 11730, 13240, 15226, 15640, 16881, 19860, 22508, 22839, 23460, 28135, 30452, 33762, 38065, 39720, 45016, 45678, 46920, 56270, 60904, 67524, 76130, 84405, 91356, 112540, 114195, 129421, 135048, 152260, 168810, 182712, 225080, 228390, 258842, 304520, 337620, 388263, 456780, 517684, 647105, 675240, 776526, 913560, 1035368, 1294210, 1553052, 1941315, 2588420, 3106104, 3882630, 5176840, 7765260, 15530520]

約数ペア:

[(1, 15530520), (2, 7765260), (3, 5176840), (4, 3882630), (5, 3106104), (6, 2588420), (8, 1941315), (10, 1553052), (12, 1294210), (15, 1035368), (17, 913560), (20, 776526), (23, 675240), (24, 647105), (30, 517684), (34, 456780), (40, 388263), (46, 337620), (51, 304520), (60, 258842), (68, 228390), (69, 225080), (85, 182712), (92, 168810), (102, 152260), (115, 135048), (120, 129421), (136, 114195), (138, 112540), (170, 91356), (184, 84405), (204, 76130), (230, 67524), (255, 60904), (276, 56270), (331, 46920), (340, 45678), (345, 45016), (391, 39720), (408, 38065), (460, 33762), (510, 30452), (552, 28135), (662, 23460), (680, 22839), (690, 22508), (782, 19860), (920, 16881), (993, 15640), (1020, 15226), (1173, 13240), (1324, 11730), (1380, 11254), (1564, 9930), (1655, 9384), (1955, 7944), (1986, 7820), (2040, 7613), (2346, 6620), (2648, 5865), (2760, 5627), (3128, 4965), (3310, 4692), (3910, 3972)]