28983960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 98841600

約数和(自身を除く): 69857640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 571, 705, 846, 940, 1080, 1128, 1142, 1269, 1410, 1692, 1713, 1880, 2115, 2284, 2538, 2820, 2855, 3384, 3426, 4230, 4568, 5076, 5139, 5640, 5710, 6345, 6852, 8460, 8565, 10152, 10278, 11420, 12690, 13704, 15417, 16920, 17130, 20556, 22840, 25380, 25695, 26837, 30834, 34260, 41112, 50760, 51390, 53674, 61668, 68520, 77085, 80511, 102780, 107348, 123336, 134185, 154170, 161022, 205560, 214696, 241533, 268370, 308340, 322044, 402555, 483066, 536740, 616680, 644088, 724599, 805110, 966132, 1073480, 1207665, 1449198, 1610220, 1932264, 2415330, 2898396, 3220440, 3622995, 4830660, 5796792, 7245990, 9661320, 14491980, 28983960]

約数ペア:

[(1, 28983960), (2, 14491980), (3, 9661320), (4, 7245990), (5, 5796792), (6, 4830660), (8, 3622995), (9, 3220440), (10, 2898396), (12, 2415330), (15, 1932264), (18, 1610220), (20, 1449198), (24, 1207665), (27, 1073480), (30, 966132), (36, 805110), (40, 724599), (45, 644088), (47, 616680), (54, 536740), (60, 483066), (72, 402555), (90, 322044), (94, 308340), (108, 268370), (120, 241533), (135, 214696), (141, 205560), (180, 161022), (188, 154170), (216, 134185), (235, 123336), (270, 107348), (282, 102780), (360, 80511), (376, 77085), (423, 68520), (470, 61668), (540, 53674), (564, 51390), (571, 50760), (705, 41112), (846, 34260), (940, 30834), (1080, 26837), (1128, 25695), (1142, 25380), (1269, 22840), (1410, 20556), (1692, 17130), (1713, 16920), (1880, 15417), (2115, 13704), (2284, 12690), (2538, 11420), (2820, 10278), (2855, 10152), (3384, 8565), (3426, 8460), (4230, 6852), (4568, 6345), (5076, 5710), (5139, 5640)]