78895980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 283046400

約数和(自身を除く): 204150420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 23, 30, 34, 36, 38, 45, 46, 51, 57, 59, 60, 68, 69, 76, 85, 90, 92, 95, 102, 114, 115, 118, 138, 153, 170, 171, 177, 180, 190, 204, 207, 228, 230, 236, 255, 276, 285, 295, 306, 323, 340, 342, 345, 354, 380, 391, 414, 437, 460, 510, 531, 570, 590, 612, 646, 684, 690, 708, 765, 782, 828, 855, 874, 885, 969, 1003, 1020, 1035, 1062, 1121, 1140, 1173, 1180, 1292, 1311, 1357, 1380, 1530, 1564, 1615, 1710, 1748, 1770, 1938, 1955, 2006, 2070, 2124, 2185, 2242, 2346, 2622, 2655, 2714, 2907, 3009, 3060, 3230, 3363, 3420, 3519, 3540, 3876, 3910, 3933, 4012, 4071, 4140, 4370, 4484, 4692, 4845, 5015, 5244, 5310, 5428, 5605, 5814, 5865, 6018, 6460, 6555, 6726, 6785, 7038, 7429, 7820, 7866, 8142, 8740, 9027, 9690, 10030, 10089, 10620, 11210, 11628, 11730, 12036, 12213, 13110, 13452, 13570, 14076, 14535, 14858, 15045, 15732, 16284, 16815, 17595, 18054, 19057, 19380, 19665, 20060, 20178, 20355, 22287, 22420, 23069, 23460, 24426, 25783, 26220, 27140, 29070, 29716, 30090, 33630, 35190, 36108, 37145, 38114, 39330, 40356, 40710, 44574, 45135, 46138, 48852, 50445, 51566, 57171, 58140, 60180, 61065, 66861, 67260, 69207, 70380, 74290, 76228, 77349, 78660, 81420, 89148, 90270, 92276, 95285, 100890, 103132, 111435, 114342, 115345, 122130, 128915, 133722, 138414, 148580, 154698, 171513, 180540, 190570, 201780, 207621, 222870, 228684, 230690, 232047, 244260, 257830, 267444, 276828, 285855, 309396, 334305, 343026, 346035, 381140, 386745, 415242, 438311, 445740, 461380, 464094, 515660, 571710, 668610, 686052, 692070, 773490, 830484, 857565, 876622, 928188, 1038105, 1143420, 1160235, 1314933, 1337220, 1384140, 1546980, 1715130, 1753244, 2076210, 2191555, 2320470, 2629866, 3430260, 3944799, 4152420, 4383110, 4640940, 5259732, 6574665, 7889598, 8766220, 13149330, 15779196, 19723995, 26298660, 39447990, 78895980]

約数ペア:

[(1, 78895980), (2, 39447990), (3, 26298660), (4, 19723995), (5, 15779196), (6, 13149330), (9, 8766220), (10, 7889598), (12, 6574665), (15, 5259732), (17, 4640940), (18, 4383110), (19, 4152420), (20, 3944799), (23, 3430260), (30, 2629866), (34, 2320470), (36, 2191555), (38, 2076210), (45, 1753244), (46, 1715130), (51, 1546980), (57, 1384140), (59, 1337220), (60, 1314933), (68, 1160235), (69, 1143420), (76, 1038105), (85, 928188), (90, 876622), (92, 857565), (95, 830484), (102, 773490), (114, 692070), (115, 686052), (118, 668610), (138, 571710), (153, 515660), (170, 464094), (171, 461380), (177, 445740), (180, 438311), (190, 415242), (204, 386745), (207, 381140), (228, 346035), (230, 343026), (236, 334305), (255, 309396), (276, 285855), (285, 276828), (295, 267444), (306, 257830), (323, 244260), (340, 232047), (342, 230690), (345, 228684), (354, 222870), (380, 207621), (391, 201780), (414, 190570), (437, 180540), (460, 171513), (510, 154698), (531, 148580), (570, 138414), (590, 133722), (612, 128915), (646, 122130), (684, 115345), (690, 114342), (708, 111435), (765, 103132), (782, 100890), (828, 95285), (855, 92276), (874, 90270), (885, 89148), (969, 81420), (1003, 78660), (1020, 77349), (1035, 76228), (1062, 74290), (1121, 70380), (1140, 69207), (1173, 67260), (1180, 66861), (1292, 61065), (1311, 60180), (1357, 58140), (1380, 57171), (1530, 51566), (1564, 50445), (1615, 48852), (1710, 46138), (1748, 45135), (1770, 44574), (1938, 40710), (1955, 40356), (2006, 39330), (2070, 38114), (2124, 37145), (2185, 36108), (2242, 35190), (2346, 33630), (2622, 30090), (2655, 29716), (2714, 29070), (2907, 27140), (3009, 26220), (3060, 25783), (3230, 24426), (3363, 23460), (3420, 23069), (3519, 22420), (3540, 22287), (3876, 20355), (3910, 20178), (3933, 20060), (4012, 19665), (4071, 19380), (4140, 19057), (4370, 18054), (4484, 17595), (4692, 16815), (4845, 16284), (5015, 15732), (5244, 15045), (5310, 14858), (5428, 14535), (5605, 14076), (5814, 13570), (5865, 13452), (6018, 13110), (6460, 12213), (6555, 12036), (6726, 11730), (6785, 11628), (7038, 11210), (7429, 10620), (7820, 10089), (7866, 10030), (8142, 9690), (8740, 9027)]