90171420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 260983296

約数和(自身を除く): 170811876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 71, 122, 142, 183, 213, 244, 284, 305, 347, 355, 366, 426, 610, 694, 710, 732, 852, 915, 1041, 1065, 1220, 1388, 1420, 1735, 1830, 2082, 2130, 3470, 3660, 4164, 4260, 4331, 5205, 6940, 8662, 10410, 12993, 17324, 20820, 21167, 21655, 24637, 25986, 42334, 43310, 49274, 51972, 63501, 64965, 73911, 84668, 86620, 98548, 105835, 123185, 127002, 129930, 147822, 211670, 246370, 254004, 259860, 295644, 317505, 369555, 423340, 492740, 635010, 739110, 1270020, 1478220, 1502857, 3005714, 4508571, 6011428, 7514285, 9017142, 15028570, 18034284, 22542855, 30057140, 45085710, 90171420]

約数ペア:

[(1, 90171420), (2, 45085710), (3, 30057140), (4, 22542855), (5, 18034284), (6, 15028570), (10, 9017142), (12, 7514285), (15, 6011428), (20, 4508571), (30, 3005714), (60, 1502857), (61, 1478220), (71, 1270020), (122, 739110), (142, 635010), (183, 492740), (213, 423340), (244, 369555), (284, 317505), (305, 295644), (347, 259860), (355, 254004), (366, 246370), (426, 211670), (610, 147822), (694, 129930), (710, 127002), (732, 123185), (852, 105835), (915, 98548), (1041, 86620), (1065, 84668), (1220, 73911), (1388, 64965), (1420, 63501), (1735, 51972), (1830, 49274), (2082, 43310), (2130, 42334), (3470, 25986), (3660, 24637), (4164, 21655), (4260, 21167), (4331, 20820), (5205, 17324), (6940, 12993), (8662, 10410)]