19753320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 65629440

約数和(自身を除く): 45876120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 421, 460, 510, 552, 680, 690, 782, 842, 920, 1020, 1173, 1263, 1380, 1564, 1684, 1955, 2040, 2105, 2346, 2526, 2760, 3128, 3368, 3910, 4210, 4692, 5052, 5865, 6315, 7157, 7820, 8420, 9384, 9683, 10104, 11730, 12630, 14314, 15640, 16840, 19366, 21471, 23460, 25260, 28628, 29049, 35785, 38732, 42942, 46920, 48415, 50520, 57256, 58098, 71570, 77464, 85884, 96830, 107355, 116196, 143140, 145245, 164611, 171768, 193660, 214710, 232392, 286280, 290490, 329222, 387320, 429420, 493833, 580980, 658444, 823055, 858840, 987666, 1161960, 1316888, 1646110, 1975332, 2469165, 3292220, 3950664, 4938330, 6584440, 9876660, 19753320]

約数ペア:

[(1, 19753320), (2, 9876660), (3, 6584440), (4, 4938330), (5, 3950664), (6, 3292220), (8, 2469165), (10, 1975332), (12, 1646110), (15, 1316888), (17, 1161960), (20, 987666), (23, 858840), (24, 823055), (30, 658444), (34, 580980), (40, 493833), (46, 429420), (51, 387320), (60, 329222), (68, 290490), (69, 286280), (85, 232392), (92, 214710), (102, 193660), (115, 171768), (120, 164611), (136, 145245), (138, 143140), (170, 116196), (184, 107355), (204, 96830), (230, 85884), (255, 77464), (276, 71570), (340, 58098), (345, 57256), (391, 50520), (408, 48415), (421, 46920), (460, 42942), (510, 38732), (552, 35785), (680, 29049), (690, 28628), (782, 25260), (842, 23460), (920, 21471), (1020, 19366), (1173, 16840), (1263, 15640), (1380, 14314), (1564, 12630), (1684, 11730), (1955, 10104), (2040, 9683), (2105, 9384), (2346, 8420), (2526, 7820), (2760, 7157), (3128, 6315), (3368, 5865), (3910, 5052), (4210, 4692)]