16905540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 33091260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 61, 62, 93, 122, 124, 149, 155, 183, 186, 244, 298, 305, 310, 366, 372, 447, 465, 596, 610, 620, 732, 745, 894, 915, 930, 1220, 1490, 1788, 1830, 1860, 1891, 2235, 2980, 3660, 3782, 4470, 4619, 5673, 7564, 8940, 9089, 9238, 9455, 11346, 13857, 18178, 18476, 18910, 22692, 23095, 27267, 27714, 28365, 36356, 37820, 45445, 46190, 54534, 55428, 56730, 69285, 90890, 92380, 109068, 113460, 136335, 138570, 181780, 272670, 277140, 281759, 545340, 563518, 845277, 1127036, 1408795, 1690554, 2817590, 3381108, 4226385, 5635180, 8452770, 16905540]

約数ペア:

[(1, 16905540), (2, 8452770), (3, 5635180), (4, 4226385), (5, 3381108), (6, 2817590), (10, 1690554), (12, 1408795), (15, 1127036), (20, 845277), (30, 563518), (31, 545340), (60, 281759), (61, 277140), (62, 272670), (93, 181780), (122, 138570), (124, 136335), (149, 113460), (155, 109068), (183, 92380), (186, 90890), (244, 69285), (298, 56730), (305, 55428), (310, 54534), (366, 46190), (372, 45445), (447, 37820), (465, 36356), (596, 28365), (610, 27714), (620, 27267), (732, 23095), (745, 22692), (894, 18910), (915, 18476), (930, 18178), (1220, 13857), (1490, 11346), (1788, 9455), (1830, 9238), (1860, 9089), (1891, 8940), (2235, 7564), (2980, 5673), (3660, 4619), (3782, 4470)]