31730643880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{7963}}^1$

素因数の和:8163

約数の個数: 128

約数和(自身を含む): 78671577600

約数和(自身を除く): 46940933720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 97, 104, 130, 158, 194, 260, 316, 388, 395, 485, 520, 632, 776, 790, 970, 1027, 1261, 1580, 1940, 2054, 2522, 3160, 3880, 4108, 5044, 5135, 6305, 7663, 7963, 8216, 10088, 10270, 12610, 15326, 15926, 20540, 25220, 30652, 31852, 38315, 39815, 41080, 50440, 61304, 63704, 76630, 79630, 99619, 103519, 153260, 159260, 199238, 207038, 306520, 318520, 398476, 414076, 498095, 517595, 629077, 772411, 796952, 828152, 996190, 1035190, 1258154, 1544822, 1992380, 2070380, 2516308, 3089644, 3145385, 3862055, 3984760, 4140760, 5032616, 6179288, 6290770, 7724110, 8178001, 10041343, 12581540, 15448220, 16356002, 20082686, 25163080, 30896440, 32712004, 40165372, 40890005, 50206715, 61020469, 65424008, 80330744, 81780010, 100413430, 122040938, 163560020, 200826860, 244081876, 305102345, 327120040, 401653720, 488163752, 610204690, 793266097, 1220409380, 1586532194, 2440818760, 3173064388, 3966330485, 6346128776, 7932660970, 15865321940, 31730643880]

約数ペア:

[(1, 31730643880), (2, 15865321940), (4, 7932660970), (5, 6346128776), (8, 3966330485), (10, 3173064388), (13, 2440818760), (20, 1586532194), (26, 1220409380), (40, 793266097), (52, 610204690), (65, 488163752), (79, 401653720), (97, 327120040), (104, 305102345), (130, 244081876), (158, 200826860), (194, 163560020), (260, 122040938), (316, 100413430), (388, 81780010), (395, 80330744), (485, 65424008), (520, 61020469), (632, 50206715), (776, 40890005), (790, 40165372), (970, 32712004), (1027, 30896440), (1261, 25163080), (1580, 20082686), (1940, 16356002), (2054, 15448220), (2522, 12581540), (3160, 10041343), (3880, 8178001), (4108, 7724110), (5044, 6290770), (5135, 6179288), (6305, 5032616), (7663, 4140760), (7963, 3984760), (8216, 3862055), (10088, 3145385), (10270, 3089644), (12610, 2516308), (15326, 2070380), (15926, 1992380), (20540, 1544822), (25220, 1258154), (30652, 1035190), (31852, 996190), (38315, 828152), (39815, 796952), (41080, 772411), (50440, 629077), (61304, 517595), (63704, 498095), (76630, 414076), (79630, 398476), (99619, 318520), (103519, 306520), (153260, 207038), (159260, 199238)]