149540280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 471398400

約数和(自身を除く): 321858120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 659, 732, 744, 915, 930, 1220, 1240, 1318, 1464, 1830, 1860, 1891, 1977, 2440, 2636, 3295, 3660, 3720, 3782, 3954, 5272, 5673, 6590, 7320, 7564, 7908, 9455, 9885, 11346, 13180, 15128, 15816, 18910, 19770, 20429, 22692, 26360, 28365, 37820, 39540, 40199, 40858, 45384, 56730, 61287, 75640, 79080, 80398, 81716, 102145, 113460, 120597, 122574, 160796, 163432, 200995, 204290, 226920, 241194, 245148, 306435, 321592, 401990, 408580, 482388, 490296, 602985, 612870, 803980, 817160, 964776, 1205970, 1225740, 1246169, 1607960, 2411940, 2451480, 2492338, 3738507, 4823880, 4984676, 6230845, 7477014, 9969352, 12461690, 14954028, 18692535, 24923380, 29908056, 37385070, 49846760, 74770140, 149540280]

約数ペア:

[(1, 149540280), (2, 74770140), (3, 49846760), (4, 37385070), (5, 29908056), (6, 24923380), (8, 18692535), (10, 14954028), (12, 12461690), (15, 9969352), (20, 7477014), (24, 6230845), (30, 4984676), (31, 4823880), (40, 3738507), (60, 2492338), (61, 2451480), (62, 2411940), (93, 1607960), (120, 1246169), (122, 1225740), (124, 1205970), (155, 964776), (183, 817160), (186, 803980), (244, 612870), (248, 602985), (305, 490296), (310, 482388), (366, 408580), (372, 401990), (465, 321592), (488, 306435), (610, 245148), (620, 241194), (659, 226920), (732, 204290), (744, 200995), (915, 163432), (930, 160796), (1220, 122574), (1240, 120597), (1318, 113460), (1464, 102145), (1830, 81716), (1860, 80398), (1891, 79080), (1977, 75640), (2440, 61287), (2636, 56730), (3295, 45384), (3660, 40858), (3720, 40199), (3782, 39540), (3954, 37820), (5272, 28365), (5673, 26360), (6590, 22692), (7320, 20429), (7564, 19770), (7908, 18910), (9455, 15816), (9885, 15128), (11346, 13180)]