80278800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:550

約数の個数: 240

約数和(自身を含む): 309980160

約数和(自身を除く): 229701360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 48, 50, 56, 57, 60, 70, 75, 76, 80, 84, 95, 100, 105, 112, 114, 120, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 240, 266, 280, 285, 300, 304, 336, 350, 380, 399, 400, 420, 456, 475, 503, 525, 532, 560, 570, 600, 665, 700, 760, 798, 840, 912, 950, 1006, 1050, 1064, 1140, 1200, 1330, 1400, 1425, 1509, 1520, 1596, 1680, 1900, 1995, 2012, 2100, 2128, 2280, 2515, 2660, 2800, 2850, 3018, 3192, 3325, 3521, 3800, 3990, 4024, 4200, 4560, 5030, 5320, 5700, 6036, 6384, 6650, 7042, 7545, 7600, 7980, 8048, 8400, 9557, 9975, 10060, 10563, 10640, 11400, 12072, 12575, 13300, 14084, 15090, 15960, 17605, 19114, 19950, 20120, 21126, 22800, 24144, 25150, 26600, 28168, 28671, 30180, 31920, 35210, 37725, 38228, 39900, 40240, 42252, 47785, 50300, 52815, 53200, 56336, 57342, 60360, 66899, 70420, 75450, 76456, 79800, 84504, 88025, 95570, 100600, 105630, 114684, 120720, 133798, 140840, 143355, 150900, 152912, 159600, 169008, 176050, 191140, 200697, 201200, 211260, 229368, 238925, 264075, 267596, 281680, 286710, 301800, 334495, 352100, 382280, 401394, 422520, 458736, 477850, 528150, 535192, 573420, 603600, 668990, 704200, 716775, 764560, 802788, 845040, 955700, 1003485, 1056300, 1070384, 1146840, 1337980, 1408400, 1433550, 1605576, 1672475, 1911400, 2006970, 2112600, 2293680, 2675960, 2867100, 3211152, 3344950, 3822800, 4013940, 4225200, 5017425, 5351920, 5734200, 6689900, 8027880, 10034850, 11468400, 13379800, 16055760, 20069700, 26759600, 40139400, 80278800]

約数ペア:

[(1, 80278800), (2, 40139400), (3, 26759600), (4, 20069700), (5, 16055760), (6, 13379800), (7, 11468400), (8, 10034850), (10, 8027880), (12, 6689900), (14, 5734200), (15, 5351920), (16, 5017425), (19, 4225200), (20, 4013940), (21, 3822800), (24, 3344950), (25, 3211152), (28, 2867100), (30, 2675960), (35, 2293680), (38, 2112600), (40, 2006970), (42, 1911400), (48, 1672475), (50, 1605576), (56, 1433550), (57, 1408400), (60, 1337980), (70, 1146840), (75, 1070384), (76, 1056300), (80, 1003485), (84, 955700), (95, 845040), (100, 802788), (105, 764560), (112, 716775), (114, 704200), (120, 668990), (133, 603600), (140, 573420), (150, 535192), (152, 528150), (168, 477850), (175, 458736), (190, 422520), (200, 401394), (210, 382280), (228, 352100), (240, 334495), (266, 301800), (280, 286710), (285, 281680), (300, 267596), (304, 264075), (336, 238925), (350, 229368), (380, 211260), (399, 201200), (400, 200697), (420, 191140), (456, 176050), (475, 169008), (503, 159600), (525, 152912), (532, 150900), (560, 143355), (570, 140840), (600, 133798), (665, 120720), (700, 114684), (760, 105630), (798, 100600), (840, 95570), (912, 88025), (950, 84504), (1006, 79800), (1050, 76456), (1064, 75450), (1140, 70420), (1200, 66899), (1330, 60360), (1400, 57342), (1425, 56336), (1509, 53200), (1520, 52815), (1596, 50300), (1680, 47785), (1900, 42252), (1995, 40240), (2012, 39900), (2100, 38228), (2128, 37725), (2280, 35210), (2515, 31920), (2660, 30180), (2800, 28671), (2850, 28168), (3018, 26600), (3192, 25150), (3325, 24144), (3521, 22800), (3800, 21126), (3990, 20120), (4024, 19950), (4200, 19114), (4560, 17605), (5030, 15960), (5320, 15090), (5700, 14084), (6036, 13300), (6384, 12575), (6650, 12072), (7042, 11400), (7545, 10640), (7600, 10563), (7980, 10060), (8048, 9975), (8400, 9557)]