621463560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{863}}^1$

素因数の和:1247

約数の個数: 128

約数和(自身を含む): 1981946880

約数和(自身を除く): 1360483320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 353, 408, 510, 680, 706, 863, 1020, 1059, 1412, 1726, 1765, 2040, 2118, 2589, 2824, 3452, 3530, 4236, 4315, 5178, 5295, 6001, 6904, 7060, 8472, 8630, 10356, 10590, 12002, 12945, 14120, 14671, 17260, 18003, 20712, 21180, 24004, 25890, 29342, 30005, 34520, 36006, 42360, 44013, 48008, 51780, 58684, 60010, 72012, 73355, 88026, 90015, 103560, 117368, 120020, 144024, 146710, 176052, 180030, 220065, 240040, 293420, 304639, 352104, 360060, 440130, 586840, 609278, 720120, 880260, 913917, 1218556, 1523195, 1760520, 1827834, 2437112, 3046390, 3655668, 4569585, 5178863, 6092780, 7311336, 9139170, 10357726, 12185560, 15536589, 18278340, 20715452, 25894315, 31073178, 36556680, 41430904, 51788630, 62146356, 77682945, 103577260, 124292712, 155365890, 207154520, 310731780, 621463560]

約数ペア:

[(1, 621463560), (2, 310731780), (3, 207154520), (4, 155365890), (5, 124292712), (6, 103577260), (8, 77682945), (10, 62146356), (12, 51788630), (15, 41430904), (17, 36556680), (20, 31073178), (24, 25894315), (30, 20715452), (34, 18278340), (40, 15536589), (51, 12185560), (60, 10357726), (68, 9139170), (85, 7311336), (102, 6092780), (120, 5178863), (136, 4569585), (170, 3655668), (204, 3046390), (255, 2437112), (340, 1827834), (353, 1760520), (408, 1523195), (510, 1218556), (680, 913917), (706, 880260), (863, 720120), (1020, 609278), (1059, 586840), (1412, 440130), (1726, 360060), (1765, 352104), (2040, 304639), (2118, 293420), (2589, 240040), (2824, 220065), (3452, 180030), (3530, 176052), (4236, 146710), (4315, 144024), (5178, 120020), (5295, 117368), (6001, 103560), (6904, 90015), (7060, 88026), (8472, 73355), (8630, 72012), (10356, 60010), (10590, 58684), (12002, 51780), (12945, 48008), (14120, 44013), (14671, 42360), (17260, 36006), (18003, 34520), (20712, 30005), (21180, 29342), (24004, 25890)]