720773560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 1834882560

約数和(自身を除く): 1114109000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 61, 62, 65, 104, 122, 124, 130, 155, 244, 248, 260, 305, 310, 403, 488, 520, 610, 620, 733, 793, 806, 1220, 1240, 1466, 1586, 1612, 1891, 2015, 2440, 2932, 3172, 3224, 3665, 3782, 3965, 4030, 5864, 6344, 7330, 7564, 7930, 8060, 9455, 9529, 14660, 15128, 15860, 16120, 18910, 19058, 22723, 24583, 29320, 31720, 37820, 38116, 44713, 45446, 47645, 49166, 75640, 76232, 89426, 90892, 95290, 98332, 113615, 122915, 178852, 181784, 190580, 196664, 223565, 227230, 245830, 295399, 357704, 381160, 447130, 454460, 491660, 581269, 590798, 894260, 908920, 983320, 1162538, 1181596, 1386103, 1476995, 1788520, 2325076, 2363192, 2772206, 2906345, 2953990, 4650152, 5544412, 5812690, 5907980, 6930515, 11088824, 11625380, 11815960, 13861030, 18019339, 23250760, 27722060, 36038678, 55444120, 72077356, 90096695, 144154712, 180193390, 360386780, 720773560]

約数ペア:

[(1, 720773560), (2, 360386780), (4, 180193390), (5, 144154712), (8, 90096695), (10, 72077356), (13, 55444120), (20, 36038678), (26, 27722060), (31, 23250760), (40, 18019339), (52, 13861030), (61, 11815960), (62, 11625380), (65, 11088824), (104, 6930515), (122, 5907980), (124, 5812690), (130, 5544412), (155, 4650152), (244, 2953990), (248, 2906345), (260, 2772206), (305, 2363192), (310, 2325076), (403, 1788520), (488, 1476995), (520, 1386103), (610, 1181596), (620, 1162538), (733, 983320), (793, 908920), (806, 894260), (1220, 590798), (1240, 581269), (1466, 491660), (1586, 454460), (1612, 447130), (1891, 381160), (2015, 357704), (2440, 295399), (2932, 245830), (3172, 227230), (3224, 223565), (3665, 196664), (3782, 190580), (3965, 181784), (4030, 178852), (5864, 122915), (6344, 113615), (7330, 98332), (7564, 95290), (7930, 90892), (8060, 89426), (9455, 76232), (9529, 75640), (14660, 49166), (15128, 47645), (15860, 45446), (16120, 44713), (18910, 38116), (19058, 37820), (22723, 31720), (24583, 29320)]