19914201600

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{16729}}^1$

素因数の和:16791

約数の個数: 240

約数和(自身を含む): 67911486720

約数和(自身を除く): 47997285120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 256, 300, 310, 320, 372, 384, 400, 465, 480, 496, 512, 600, 620, 640, 744, 768, 775, 800, 930, 960, 992, 1200, 1240, 1280, 1488, 1536, 1550, 1600, 1860, 1920, 1984, 2325, 2400, 2480, 2560, 2976, 3100, 3200, 3720, 3840, 3968, 4650, 4800, 4960, 5952, 6200, 6400, 7440, 7680, 7936, 9300, 9600, 9920, 11904, 12400, 12800, 14880, 15872, 16729, 18600, 19200, 19840, 23808, 24800, 29760, 33458, 37200, 38400, 39680, 47616, 49600, 50187, 59520, 66916, 74400, 79360, 83645, 99200, 100374, 119040, 133832, 148800, 167290, 198400, 200748, 238080, 250935, 267664, 297600, 334580, 396800, 401496, 418225, 501870, 518599, 535328, 595200, 669160, 802992, 836450, 1003740, 1037198, 1070656, 1190400, 1254675, 1338320, 1555797, 1605984, 1672900, 2007480, 2074396, 2141312, 2509350, 2592995, 2676640, 3111594, 3211968, 3345800, 4014960, 4148792, 4282624, 5018700, 5185990, 5353280, 6223188, 6423936, 6691600, 7778985, 8029920, 8297584, 8565248, 10037400, 10371980, 10706560, 12446376, 12847872, 12964975, 13383200, 15557970, 16059840, 16595168, 20074800, 20743960, 21413120, 24892752, 25695744, 25929950, 26766400, 31115940, 32119680, 33190336, 38894925, 40149600, 41487920, 42826240, 49785504, 51859900, 53532800, 62231880, 64239360, 66380672, 77789850, 80299200, 82975840, 99571008, 103719800, 107065600, 124463760, 128478720, 132761344, 155579700, 160598400, 165951680, 199142016, 207439600, 214131200, 248927520, 265522688, 311159400, 321196800, 331903360, 398284032, 414879200, 497855040, 622318800, 642393600, 663806720, 796568064, 829758400, 995710080, 1244637600, 1327613440, 1659516800, 1991420160, 2489275200, 3319033600, 3982840320, 4978550400, 6638067200, 9957100800, 19914201600]

約数ペア:

[(1, 19914201600), (2, 9957100800), (3, 6638067200), (4, 4978550400), (5, 3982840320), (6, 3319033600), (8, 2489275200), (10, 1991420160), (12, 1659516800), (15, 1327613440), (16, 1244637600), (20, 995710080), (24, 829758400), (25, 796568064), (30, 663806720), (31, 642393600), (32, 622318800), (40, 497855040), (48, 414879200), (50, 398284032), (60, 331903360), (62, 321196800), (64, 311159400), (75, 265522688), (80, 248927520), (93, 214131200), (96, 207439600), (100, 199142016), (120, 165951680), (124, 160598400), (128, 155579700), (150, 132761344), (155, 128478720), (160, 124463760), (186, 107065600), (192, 103719800), (200, 99571008), (240, 82975840), (248, 80299200), (256, 77789850), (300, 66380672), (310, 64239360), (320, 62231880), (372, 53532800), (384, 51859900), (400, 49785504), (465, 42826240), (480, 41487920), (496, 40149600), (512, 38894925), (600, 33190336), (620, 32119680), (640, 31115940), (744, 26766400), (768, 25929950), (775, 25695744), (800, 24892752), (930, 21413120), (960, 20743960), (992, 20074800), (1200, 16595168), (1240, 16059840), (1280, 15557970), (1488, 13383200), (1536, 12964975), (1550, 12847872), (1600, 12446376), (1860, 10706560), (1920, 10371980), (1984, 10037400), (2325, 8565248), (2400, 8297584), (2480, 8029920), (2560, 7778985), (2976, 6691600), (3100, 6423936), (3200, 6223188), (3720, 5353280), (3840, 5185990), (3968, 5018700), (4650, 4282624), (4800, 4148792), (4960, 4014960), (5952, 3345800), (6200, 3211968), (6400, 3111594), (7440, 2676640), (7680, 2592995), (7936, 2509350), (9300, 2141312), (9600, 2074396), (9920, 2007480), (11904, 1672900), (12400, 1605984), (12800, 1555797), (14880, 1338320), (15872, 1254675), (16729, 1190400), (18600, 1070656), (19200, 1037198), (19840, 1003740), (23808, 836450), (24800, 802992), (29760, 669160), (33458, 595200), (37200, 535328), (38400, 518599), (39680, 501870), (47616, 418225), (49600, 401496), (50187, 396800), (59520, 334580), (66916, 297600), (74400, 267664), (79360, 250935), (83645, 238080), (99200, 200748), (100374, 198400), (119040, 167290), (133832, 148800)]