221477580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 713329344

約数和(自身を除く): 491851764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 305, 345, 366, 414, 460, 549, 610, 690, 732, 828, 877, 915, 1035, 1098, 1220, 1380, 1403, 1754, 1830, 2070, 2196, 2631, 2745, 2806, 3508, 3660, 4140, 4209, 4385, 5262, 5490, 5612, 7015, 7893, 8418, 8770, 10524, 10980, 12627, 13155, 14030, 15786, 16836, 17540, 20171, 21045, 25254, 26310, 28060, 31572, 39465, 40342, 42090, 50508, 52620, 53497, 60513, 63135, 78930, 80684, 84180, 100855, 106994, 121026, 126270, 157860, 160491, 181539, 201710, 213988, 242052, 252540, 267485, 302565, 320982, 363078, 403420, 481473, 534970, 605130, 641964, 726156, 802455, 907695, 962946, 1069940, 1210260, 1230431, 1604910, 1815390, 1925892, 2407365, 2460862, 3209820, 3630780, 3691293, 4814730, 4921724, 6152155, 7382586, 9629460, 11073879, 12304310, 14765172, 18456465, 22147758, 24608620, 36912930, 44295516, 55369395, 73825860, 110738790, 221477580]

約数ペア:

[(1, 221477580), (2, 110738790), (3, 73825860), (4, 55369395), (5, 44295516), (6, 36912930), (9, 24608620), (10, 22147758), (12, 18456465), (15, 14765172), (18, 12304310), (20, 11073879), (23, 9629460), (30, 7382586), (36, 6152155), (45, 4921724), (46, 4814730), (60, 3691293), (61, 3630780), (69, 3209820), (90, 2460862), (92, 2407365), (115, 1925892), (122, 1815390), (138, 1604910), (180, 1230431), (183, 1210260), (207, 1069940), (230, 962946), (244, 907695), (276, 802455), (305, 726156), (345, 641964), (366, 605130), (414, 534970), (460, 481473), (549, 403420), (610, 363078), (690, 320982), (732, 302565), (828, 267485), (877, 252540), (915, 242052), (1035, 213988), (1098, 201710), (1220, 181539), (1380, 160491), (1403, 157860), (1754, 126270), (1830, 121026), (2070, 106994), (2196, 100855), (2631, 84180), (2745, 80684), (2806, 78930), (3508, 63135), (3660, 60513), (4140, 53497), (4209, 52620), (4385, 50508), (5262, 42090), (5490, 40342), (5612, 39465), (7015, 31572), (7893, 28060), (8418, 26310), (8770, 25254), (10524, 21045), (10980, 20171), (12627, 17540), (13155, 16836), (14030, 15786)]