205587120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1303

約数の個数: 160

約数和(自身を含む): 691830720

約数和(自身を除く): 486243600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 408, 410, 492, 510, 615, 656, 680, 697, 816, 820, 984, 1020, 1229, 1230, 1360, 1394, 1640, 1968, 2040, 2091, 2458, 2460, 2788, 3280, 3485, 3687, 4080, 4182, 4916, 4920, 5576, 6145, 6970, 7374, 8364, 9832, 9840, 10455, 11152, 12290, 13940, 14748, 16728, 18435, 19664, 20893, 20910, 24580, 27880, 29496, 33456, 36870, 41786, 41820, 49160, 50389, 55760, 58992, 62679, 73740, 83572, 83640, 98320, 100778, 104465, 125358, 147480, 151167, 167144, 167280, 201556, 208930, 250716, 251945, 294960, 302334, 313395, 334288, 403112, 417860, 501432, 503890, 604668, 626790, 755835, 806224, 835720, 856613, 1002864, 1007780, 1209336, 1253580, 1511670, 1671440, 1713226, 2015560, 2418672, 2507160, 2569839, 3023340, 3426452, 4031120, 4283065, 5014320, 5139678, 6046680, 6852904, 8566130, 10279356, 12093360, 12849195, 13705808, 17132260, 20558712, 25698390, 34264520, 41117424, 51396780, 68529040, 102793560, 205587120]

約数ペア:

[(1, 205587120), (2, 102793560), (3, 68529040), (4, 51396780), (5, 41117424), (6, 34264520), (8, 25698390), (10, 20558712), (12, 17132260), (15, 13705808), (16, 12849195), (17, 12093360), (20, 10279356), (24, 8566130), (30, 6852904), (34, 6046680), (40, 5139678), (41, 5014320), (48, 4283065), (51, 4031120), (60, 3426452), (68, 3023340), (80, 2569839), (82, 2507160), (85, 2418672), (102, 2015560), (120, 1713226), (123, 1671440), (136, 1511670), (164, 1253580), (170, 1209336), (204, 1007780), (205, 1002864), (240, 856613), (246, 835720), (255, 806224), (272, 755835), (328, 626790), (340, 604668), (408, 503890), (410, 501432), (492, 417860), (510, 403112), (615, 334288), (656, 313395), (680, 302334), (697, 294960), (816, 251945), (820, 250716), (984, 208930), (1020, 201556), (1229, 167280), (1230, 167144), (1360, 151167), (1394, 147480), (1640, 125358), (1968, 104465), (2040, 100778), (2091, 98320), (2458, 83640), (2460, 83572), (2788, 73740), (3280, 62679), (3485, 58992), (3687, 55760), (4080, 50389), (4182, 49160), (4916, 41820), (4920, 41786), (5576, 36870), (6145, 33456), (6970, 29496), (7374, 27880), (8364, 24580), (9832, 20910), (9840, 20893), (10455, 19664), (11152, 18435), (12290, 16728), (13940, 14748)]