15251220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 48330240

約数和(自身を除く): 33079020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 463, 540, 549, 610, 732, 915, 926, 1098, 1220, 1389, 1647, 1830, 1852, 2196, 2315, 2745, 2778, 3294, 3660, 4167, 4630, 5490, 5556, 6588, 6945, 8235, 8334, 9260, 10980, 12501, 13890, 16470, 16668, 20835, 25002, 27780, 28243, 32940, 41670, 50004, 56486, 62505, 83340, 84729, 112972, 125010, 141215, 169458, 250020, 254187, 282430, 338916, 423645, 508374, 564860, 762561, 847290, 1016748, 1270935, 1525122, 1694580, 2541870, 3050244, 3812805, 5083740, 7625610, 15251220]

約数ペア:

[(1, 15251220), (2, 7625610), (3, 5083740), (4, 3812805), (5, 3050244), (6, 2541870), (9, 1694580), (10, 1525122), (12, 1270935), (15, 1016748), (18, 847290), (20, 762561), (27, 564860), (30, 508374), (36, 423645), (45, 338916), (54, 282430), (60, 254187), (61, 250020), (90, 169458), (108, 141215), (122, 125010), (135, 112972), (180, 84729), (183, 83340), (244, 62505), (270, 56486), (305, 50004), (366, 41670), (463, 32940), (540, 28243), (549, 27780), (610, 25002), (732, 20835), (915, 16668), (926, 16470), (1098, 13890), (1220, 12501), (1389, 10980), (1647, 9260), (1830, 8334), (1852, 8235), (2196, 6945), (2315, 6588), (2745, 5556), (2778, 5490), (3294, 4630), (3660, 4167)]