649799680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 1698278400

約数和(自身を除く): 1048478720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 89, 92, 115, 124, 128, 155, 160, 178, 184, 230, 248, 256, 310, 320, 356, 368, 445, 460, 496, 512, 620, 640, 712, 713, 736, 890, 920, 992, 1024, 1240, 1280, 1424, 1426, 1472, 1780, 1840, 1984, 2047, 2048, 2480, 2560, 2759, 2848, 2852, 2944, 3560, 3565, 3680, 3968, 4094, 4960, 5120, 5518, 5696, 5704, 5888, 7120, 7130, 7360, 7936, 8188, 9920, 10235, 10240, 11036, 11392, 11408, 11776, 13795, 14240, 14260, 14720, 15872, 16376, 19840, 20470, 22072, 22784, 22816, 23552, 27590, 28480, 28520, 29440, 31744, 32752, 39680, 40940, 44144, 45568, 45632, 47104, 55180, 56960, 57040, 58880, 63457, 63488, 65504, 79360, 81880, 88288, 91136, 91264, 110360, 113920, 114080, 117760, 126914, 131008, 158720, 163760, 176576, 182272, 182528, 220720, 227840, 228160, 235520, 253828, 262016, 317285, 317440, 327520, 353152, 365056, 441440, 455680, 456320, 507656, 524032, 634570, 655040, 706304, 730112, 882880, 911360, 912640, 1015312, 1048064, 1269140, 1310080, 1412608, 1460224, 1765760, 1825280, 2030624, 2096128, 2538280, 2620160, 2825216, 3531520, 3650560, 4061248, 4192256, 5076560, 5240320, 5650432, 7063040, 7301120, 8122496, 10153120, 10480640, 14126080, 16244992, 20306240, 20961280, 28252160, 32489984, 40612480, 64979968, 81224960, 129959936, 162449920, 324899840, 649799680]

約数ペア:

[(1, 649799680), (2, 324899840), (4, 162449920), (5, 129959936), (8, 81224960), (10, 64979968), (16, 40612480), (20, 32489984), (23, 28252160), (31, 20961280), (32, 20306240), (40, 16244992), (46, 14126080), (62, 10480640), (64, 10153120), (80, 8122496), (89, 7301120), (92, 7063040), (115, 5650432), (124, 5240320), (128, 5076560), (155, 4192256), (160, 4061248), (178, 3650560), (184, 3531520), (230, 2825216), (248, 2620160), (256, 2538280), (310, 2096128), (320, 2030624), (356, 1825280), (368, 1765760), (445, 1460224), (460, 1412608), (496, 1310080), (512, 1269140), (620, 1048064), (640, 1015312), (712, 912640), (713, 911360), (736, 882880), (890, 730112), (920, 706304), (992, 655040), (1024, 634570), (1240, 524032), (1280, 507656), (1424, 456320), (1426, 455680), (1472, 441440), (1780, 365056), (1840, 353152), (1984, 327520), (2047, 317440), (2048, 317285), (2480, 262016), (2560, 253828), (2759, 235520), (2848, 228160), (2852, 227840), (2944, 220720), (3560, 182528), (3565, 182272), (3680, 176576), (3968, 163760), (4094, 158720), (4960, 131008), (5120, 126914), (5518, 117760), (5696, 114080), (5704, 113920), (5888, 110360), (7120, 91264), (7130, 91136), (7360, 88288), (7936, 81880), (8188, 79360), (9920, 65504), (10235, 63488), (10240, 63457), (11036, 58880), (11392, 57040), (11408, 56960), (11776, 55180), (13795, 47104), (14240, 45632), (14260, 45568), (14720, 44144), (15872, 40940), (16376, 39680), (19840, 32752), (20470, 31744), (22072, 29440), (22784, 28520), (22816, 28480), (23552, 27590)]