281012760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37171}}^1$

素因数の和:37198

約数の個数: 128

約数和(自身を含む): 1070553600

約数和(自身を除く): 789540840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 37171, 74342, 111513, 148684, 185855, 223026, 260197, 297368, 334539, 371710, 446052, 520394, 557565, 669078, 743420, 780591, 892104, 1003617, 1040788, 1115130, 1300985, 1338156, 1486840, 1561182, 1672695, 2007234, 2081576, 2230260, 2341773, 2601970, 2676312, 3122364, 3345390, 3902955, 4014468, 4460520, 4683546, 5018085, 5203940, 6244728, 6690780, 7025319, 7805910, 8028936, 9367092, 10036170, 10407880, 11708865, 13381560, 14050638, 15611820, 18734184, 20072340, 23417730, 28101276, 31223640, 35126595, 40144680, 46835460, 56202552, 70253190, 93670920, 140506380, 281012760]

約数ペア:

[(1, 281012760), (2, 140506380), (3, 93670920), (4, 70253190), (5, 56202552), (6, 46835460), (7, 40144680), (8, 35126595), (9, 31223640), (10, 28101276), (12, 23417730), (14, 20072340), (15, 18734184), (18, 15611820), (20, 14050638), (21, 13381560), (24, 11708865), (27, 10407880), (28, 10036170), (30, 9367092), (35, 8028936), (36, 7805910), (40, 7025319), (42, 6690780), (45, 6244728), (54, 5203940), (56, 5018085), (60, 4683546), (63, 4460520), (70, 4014468), (72, 3902955), (84, 3345390), (90, 3122364), (105, 2676312), (108, 2601970), (120, 2341773), (126, 2230260), (135, 2081576), (140, 2007234), (168, 1672695), (180, 1561182), (189, 1486840), (210, 1338156), (216, 1300985), (252, 1115130), (270, 1040788), (280, 1003617), (315, 892104), (360, 780591), (378, 743420), (420, 669078), (504, 557565), (540, 520394), (630, 446052), (756, 371710), (840, 334539), (945, 297368), (1080, 260197), (1260, 223026), (1512, 185855), (1890, 148684), (2520, 111513), (3780, 74342), (7560, 37171)]