55456680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 176670720

約数和(自身を除く): 121214040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 184, 213, 230, 276, 283, 284, 345, 355, 426, 460, 552, 566, 568, 690, 710, 849, 852, 920, 1065, 1132, 1380, 1415, 1420, 1633, 1698, 1704, 2130, 2264, 2760, 2830, 2840, 3266, 3396, 4245, 4260, 4899, 5660, 6509, 6532, 6792, 8165, 8490, 8520, 9798, 11320, 13018, 13064, 16330, 16980, 19527, 19596, 20093, 24495, 26036, 32545, 32660, 33960, 39054, 39192, 40186, 48990, 52072, 60279, 65090, 65320, 78108, 80372, 97635, 97980, 100465, 120558, 130180, 156216, 160744, 195270, 195960, 200930, 241116, 260360, 301395, 390540, 401860, 462139, 482232, 602790, 781080, 803720, 924278, 1205580, 1386417, 1848556, 2310695, 2411160, 2772834, 3697112, 4621390, 5545668, 6932085, 9242780, 11091336, 13864170, 18485560, 27728340, 55456680]

約数ペア:

[(1, 55456680), (2, 27728340), (3, 18485560), (4, 13864170), (5, 11091336), (6, 9242780), (8, 6932085), (10, 5545668), (12, 4621390), (15, 3697112), (20, 2772834), (23, 2411160), (24, 2310695), (30, 1848556), (40, 1386417), (46, 1205580), (60, 924278), (69, 803720), (71, 781080), (92, 602790), (115, 482232), (120, 462139), (138, 401860), (142, 390540), (184, 301395), (213, 260360), (230, 241116), (276, 200930), (283, 195960), (284, 195270), (345, 160744), (355, 156216), (426, 130180), (460, 120558), (552, 100465), (566, 97980), (568, 97635), (690, 80372), (710, 78108), (849, 65320), (852, 65090), (920, 60279), (1065, 52072), (1132, 48990), (1380, 40186), (1415, 39192), (1420, 39054), (1633, 33960), (1698, 32660), (1704, 32545), (2130, 26036), (2264, 24495), (2760, 20093), (2830, 19596), (2840, 19527), (3266, 16980), (3396, 16330), (4245, 13064), (4260, 13018), (4899, 11320), (5660, 9798), (6509, 8520), (6532, 8490), (6792, 8165)]