7431840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 27380808

約数和(自身を除く): 19948968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 397, 416, 468, 480, 520, 585, 624, 720, 780, 794, 936, 1040, 1170, 1191, 1248, 1440, 1560, 1588, 1872, 1985, 2080, 2340, 2382, 3120, 3176, 3573, 3744, 3970, 4680, 4764, 5161, 5955, 6240, 6352, 7146, 7940, 9360, 9528, 10322, 11910, 12704, 14292, 15483, 15880, 17865, 18720, 19056, 20644, 23820, 25805, 28584, 30966, 31760, 35730, 38112, 41288, 46449, 47640, 51610, 57168, 61932, 63520, 71460, 77415, 82576, 92898, 95280, 103220, 114336, 123864, 142920, 154830, 165152, 185796, 190560, 206440, 232245, 247728, 285840, 309660, 371592, 412880, 464490, 495456, 571680, 619320, 743184, 825760, 928980, 1238640, 1486368, 1857960, 2477280, 3715920, 7431840]

約数ペア:

[(1, 7431840), (2, 3715920), (3, 2477280), (4, 1857960), (5, 1486368), (6, 1238640), (8, 928980), (9, 825760), (10, 743184), (12, 619320), (13, 571680), (15, 495456), (16, 464490), (18, 412880), (20, 371592), (24, 309660), (26, 285840), (30, 247728), (32, 232245), (36, 206440), (39, 190560), (40, 185796), (45, 165152), (48, 154830), (52, 142920), (60, 123864), (65, 114336), (72, 103220), (78, 95280), (80, 92898), (90, 82576), (96, 77415), (104, 71460), (117, 63520), (120, 61932), (130, 57168), (144, 51610), (156, 47640), (160, 46449), (180, 41288), (195, 38112), (208, 35730), (234, 31760), (240, 30966), (260, 28584), (288, 25805), (312, 23820), (360, 20644), (390, 19056), (397, 18720), (416, 17865), (468, 15880), (480, 15483), (520, 14292), (585, 12704), (624, 11910), (720, 10322), (780, 9528), (794, 9360), (936, 7940), (1040, 7146), (1170, 6352), (1191, 6240), (1248, 5955), (1440, 5161), (1560, 4764), (1588, 4680), (1872, 3970), (1985, 3744), (2080, 3573), (2340, 3176), (2382, 3120)]