217225320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8191}}^1$

素因数の和:8235

約数の個数: 128

約数和(自身を含む): 743178240

約数和(自身を除く): 525952920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8191, 8840, 13260, 16382, 24573, 26520, 32764, 40955, 49146, 65528, 81910, 98292, 106483, 122865, 139247, 163820, 196584, 212966, 245730, 278494, 319449, 327640, 417741, 425932, 491460, 532415, 556988, 638898, 696235, 835482, 851864, 982920, 1064830, 1113976, 1277796, 1392470, 1597245, 1670964, 1810211, 2088705, 2129660, 2555592, 2784940, 3194490, 3341928, 3620422, 4177410, 4259320, 5430633, 5569880, 6388980, 7240844, 8354820, 9051055, 10861266, 12777960, 14481688, 16709640, 18102110, 21722532, 27153165, 36204220, 43445064, 54306330, 72408440, 108612660, 217225320]

約数ペア:

[(1, 217225320), (2, 108612660), (3, 72408440), (4, 54306330), (5, 43445064), (6, 36204220), (8, 27153165), (10, 21722532), (12, 18102110), (13, 16709640), (15, 14481688), (17, 12777960), (20, 10861266), (24, 9051055), (26, 8354820), (30, 7240844), (34, 6388980), (39, 5569880), (40, 5430633), (51, 4259320), (52, 4177410), (60, 3620422), (65, 3341928), (68, 3194490), (78, 2784940), (85, 2555592), (102, 2129660), (104, 2088705), (120, 1810211), (130, 1670964), (136, 1597245), (156, 1392470), (170, 1277796), (195, 1113976), (204, 1064830), (221, 982920), (255, 851864), (260, 835482), (312, 696235), (340, 638898), (390, 556988), (408, 532415), (442, 491460), (510, 425932), (520, 417741), (663, 327640), (680, 319449), (780, 278494), (884, 245730), (1020, 212966), (1105, 196584), (1326, 163820), (1560, 139247), (1768, 122865), (2040, 106483), (2210, 98292), (2652, 81910), (3315, 65528), (4420, 49146), (5304, 40955), (6630, 32764), (8191, 26520), (8840, 24573), (13260, 16382)]