19500480

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 224

約数和(自身を含む): 71810880

約数和(自身を除く): 52310400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 61, 64, 72, 74, 80, 90, 96, 108, 111, 120, 122, 135, 144, 148, 160, 180, 183, 185, 192, 216, 222, 240, 244, 270, 288, 296, 305, 320, 333, 360, 366, 370, 432, 444, 480, 488, 540, 549, 555, 576, 592, 610, 666, 720, 732, 740, 864, 888, 915, 960, 976, 999, 1080, 1098, 1110, 1184, 1220, 1332, 1440, 1464, 1480, 1647, 1665, 1728, 1776, 1830, 1952, 1998, 2160, 2196, 2220, 2257, 2368, 2440, 2664, 2745, 2880, 2928, 2960, 3294, 3330, 3552, 3660, 3904, 3996, 4320, 4392, 4440, 4514, 4880, 4995, 5328, 5490, 5856, 5920, 6588, 6660, 6771, 7104, 7320, 7992, 8235, 8640, 8784, 8880, 9028, 9760, 9990, 10656, 10980, 11285, 11712, 11840, 13176, 13320, 13542, 14640, 15984, 16470, 17568, 17760, 18056, 19520, 19980, 20313, 21312, 21960, 22570, 26352, 26640, 27084, 29280, 31968, 32940, 33855, 35136, 35520, 36112, 39960, 40626, 43920, 45140, 52704, 53280, 54168, 58560, 60939, 63936, 65880, 67710, 72224, 79920, 81252, 87840, 90280, 101565, 105408, 106560, 108336, 121878, 131760, 135420, 144448, 159840, 162504, 175680, 180560, 203130, 216672, 243756, 263520, 270840, 304695, 319680, 325008, 361120, 406260, 433344, 487512, 527040, 541680, 609390, 650016, 722240, 812520, 975024, 1083360, 1218780, 1300032, 1625040, 1950048, 2166720, 2437560, 3250080, 3900096, 4875120, 6500160, 9750240, 19500480]

約数ペア:

[(1, 19500480), (2, 9750240), (3, 6500160), (4, 4875120), (5, 3900096), (6, 3250080), (8, 2437560), (9, 2166720), (10, 1950048), (12, 1625040), (15, 1300032), (16, 1218780), (18, 1083360), (20, 975024), (24, 812520), (27, 722240), (30, 650016), (32, 609390), (36, 541680), (37, 527040), (40, 487512), (45, 433344), (48, 406260), (54, 361120), (60, 325008), (61, 319680), (64, 304695), (72, 270840), (74, 263520), (80, 243756), (90, 216672), (96, 203130), (108, 180560), (111, 175680), (120, 162504), (122, 159840), (135, 144448), (144, 135420), (148, 131760), (160, 121878), (180, 108336), (183, 106560), (185, 105408), (192, 101565), (216, 90280), (222, 87840), (240, 81252), (244, 79920), (270, 72224), (288, 67710), (296, 65880), (305, 63936), (320, 60939), (333, 58560), (360, 54168), (366, 53280), (370, 52704), (432, 45140), (444, 43920), (480, 40626), (488, 39960), (540, 36112), (549, 35520), (555, 35136), (576, 33855), (592, 32940), (610, 31968), (666, 29280), (720, 27084), (732, 26640), (740, 26352), (864, 22570), (888, 21960), (915, 21312), (960, 20313), (976, 19980), (999, 19520), (1080, 18056), (1098, 17760), (1110, 17568), (1184, 16470), (1220, 15984), (1332, 14640), (1440, 13542), (1464, 13320), (1480, 13176), (1647, 11840), (1665, 11712), (1728, 11285), (1776, 10980), (1830, 10656), (1952, 9990), (1998, 9760), (2160, 9028), (2196, 8880), (2220, 8784), (2257, 8640), (2368, 8235), (2440, 7992), (2664, 7320), (2745, 7104), (2880, 6771), (2928, 6660), (2960, 6588), (3294, 5920), (3330, 5856), (3552, 5490), (3660, 5328), (3904, 4995), (3996, 4880), (4320, 4514), (4392, 4440)]