18893274880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1531}}^1$

素因数の和:1894

約数の個数: 144

約数和(自身を含む): 46895966208

約数和(自身を除く): 28002691328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 311, 320, 496, 620, 622, 640, 992, 1240, 1244, 1280, 1531, 1555, 1984, 2480, 2488, 3062, 3110, 3968, 4960, 4976, 6124, 6220, 7655, 7936, 9641, 9920, 9952, 12248, 12440, 15310, 19282, 19840, 19904, 24496, 24880, 30620, 38564, 39680, 39808, 47461, 48205, 48992, 49760, 61240, 77128, 79616, 94922, 96410, 97984, 99520, 122480, 154256, 189844, 192820, 195968, 199040, 237305, 244960, 308512, 379688, 385640, 391936, 398080, 474610, 476141, 489920, 617024, 759376, 771280, 949220, 952282, 979840, 1234048, 1518752, 1542560, 1898440, 1904564, 1959680, 2380705, 2468096, 3037504, 3085120, 3796880, 3809128, 4761410, 6075008, 6170240, 7593760, 7618256, 9522820, 12150016, 12340480, 14760371, 15187520, 15236512, 19045640, 29520742, 30375040, 30473024, 38091280, 59041484, 60750080, 60946048, 73801855, 76182560, 118082968, 121892096, 147603710, 152365120, 236165936, 295207420, 304730240, 472331872, 590414840, 609460480, 944663744, 1180829680, 1889327488, 2361659360, 3778654976, 4723318720, 9446637440, 18893274880]

約数ペア:

[(1, 18893274880), (2, 9446637440), (4, 4723318720), (5, 3778654976), (8, 2361659360), (10, 1889327488), (16, 1180829680), (20, 944663744), (31, 609460480), (32, 590414840), (40, 472331872), (62, 304730240), (64, 295207420), (80, 236165936), (124, 152365120), (128, 147603710), (155, 121892096), (160, 118082968), (248, 76182560), (256, 73801855), (310, 60946048), (311, 60750080), (320, 59041484), (496, 38091280), (620, 30473024), (622, 30375040), (640, 29520742), (992, 19045640), (1240, 15236512), (1244, 15187520), (1280, 14760371), (1531, 12340480), (1555, 12150016), (1984, 9522820), (2480, 7618256), (2488, 7593760), (3062, 6170240), (3110, 6075008), (3968, 4761410), (4960, 3809128), (4976, 3796880), (6124, 3085120), (6220, 3037504), (7655, 2468096), (7936, 2380705), (9641, 1959680), (9920, 1904564), (9952, 1898440), (12248, 1542560), (12440, 1518752), (15310, 1234048), (19282, 979840), (19840, 952282), (19904, 949220), (24496, 771280), (24880, 759376), (30620, 617024), (38564, 489920), (39680, 476141), (39808, 474610), (47461, 398080), (48205, 391936), (48992, 385640), (49760, 379688), (61240, 308512), (77128, 244960), (79616, 237305), (94922, 199040), (96410, 195968), (97984, 192820), (99520, 189844), (122480, 154256)]