30221840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 78048576

約数和(自身を除く): 47826736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 563, 610, 671, 880, 976, 1126, 1220, 1342, 2252, 2440, 2684, 2815, 3355, 4504, 4880, 5368, 5630, 6193, 6710, 9008, 10736, 11260, 12386, 13420, 22520, 24772, 26840, 30965, 34343, 45040, 49544, 53680, 61930, 68686, 99088, 123860, 137372, 171715, 247720, 274744, 343430, 377773, 495440, 549488, 686860, 755546, 1373720, 1511092, 1888865, 2747440, 3022184, 3777730, 6044368, 7555460, 15110920, 30221840]

約数ペア:

[(1, 30221840), (2, 15110920), (4, 7555460), (5, 6044368), (8, 3777730), (10, 3022184), (11, 2747440), (16, 1888865), (20, 1511092), (22, 1373720), (40, 755546), (44, 686860), (55, 549488), (61, 495440), (80, 377773), (88, 343430), (110, 274744), (122, 247720), (176, 171715), (220, 137372), (244, 123860), (305, 99088), (440, 68686), (488, 61930), (563, 53680), (610, 49544), (671, 45040), (880, 34343), (976, 30965), (1126, 26840), (1220, 24772), (1342, 22520), (2252, 13420), (2440, 12386), (2684, 11260), (2815, 10736), (3355, 9008), (4504, 6710), (4880, 6193), (5368, 5630)]