19239205120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{6829}}^1$

素因数の和:6952

約数の個数: 144

約数和(自身を含む): 48247557120

約数和(自身を除く): 29008352000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 128, 142, 155, 160, 248, 256, 284, 310, 320, 355, 496, 568, 620, 640, 710, 992, 1136, 1240, 1280, 1420, 1984, 2201, 2272, 2480, 2840, 3968, 4402, 4544, 4960, 5680, 6829, 7936, 8804, 9088, 9920, 11005, 11360, 13658, 17608, 18176, 19840, 22010, 22720, 27316, 34145, 35216, 39680, 44020, 45440, 54632, 68290, 70432, 88040, 90880, 109264, 136580, 140864, 176080, 211699, 218528, 273160, 281728, 352160, 423398, 437056, 484859, 546320, 563456, 704320, 846796, 874112, 969718, 1058495, 1092640, 1408640, 1693592, 1748224, 1939436, 2116990, 2185280, 2424295, 2817280, 3387184, 3878872, 4233980, 4370560, 4848590, 6774368, 7757744, 8467960, 8741120, 9697180, 13548736, 15030629, 15515488, 16935920, 19394360, 27097472, 30061258, 31030976, 33871840, 38788720, 54194944, 60122516, 62061952, 67743680, 75153145, 77577440, 120245032, 124123904, 135487360, 150306290, 155154880, 240490064, 270974720, 300612580, 310309760, 480980128, 601225160, 620619520, 961960256, 1202450320, 1923920512, 2404900640, 3847841024, 4809801280, 9619602560, 19239205120]

約数ペア:

[(1, 19239205120), (2, 9619602560), (4, 4809801280), (5, 3847841024), (8, 2404900640), (10, 1923920512), (16, 1202450320), (20, 961960256), (31, 620619520), (32, 601225160), (40, 480980128), (62, 310309760), (64, 300612580), (71, 270974720), (80, 240490064), (124, 155154880), (128, 150306290), (142, 135487360), (155, 124123904), (160, 120245032), (248, 77577440), (256, 75153145), (284, 67743680), (310, 62061952), (320, 60122516), (355, 54194944), (496, 38788720), (568, 33871840), (620, 31030976), (640, 30061258), (710, 27097472), (992, 19394360), (1136, 16935920), (1240, 15515488), (1280, 15030629), (1420, 13548736), (1984, 9697180), (2201, 8741120), (2272, 8467960), (2480, 7757744), (2840, 6774368), (3968, 4848590), (4402, 4370560), (4544, 4233980), (4960, 3878872), (5680, 3387184), (6829, 2817280), (7936, 2424295), (8804, 2185280), (9088, 2116990), (9920, 1939436), (11005, 1748224), (11360, 1693592), (13658, 1408640), (17608, 1092640), (18176, 1058495), (19840, 969718), (22010, 874112), (22720, 846796), (27316, 704320), (34145, 563456), (35216, 546320), (39680, 484859), (44020, 437056), (45440, 423398), (54632, 352160), (68290, 281728), (70432, 273160), (88040, 218528), (90880, 211699), (109264, 176080), (136580, 140864)]