81305250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 145131870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 125, 130, 150, 155, 186, 195, 250, 269, 310, 325, 375, 390, 403, 465, 538, 650, 750, 775, 806, 807, 930, 975, 1209, 1345, 1550, 1614, 1625, 1950, 2015, 2325, 2418, 2690, 3250, 3497, 3875, 4030, 4035, 4650, 4875, 6045, 6725, 6994, 7750, 8070, 8339, 9750, 10075, 10491, 11625, 12090, 13450, 16678, 17485, 20150, 20175, 20982, 23250, 25017, 30225, 33625, 34970, 40350, 41695, 50034, 50375, 52455, 60450, 67250, 83390, 87425, 100750, 100875, 104910, 108407, 125085, 151125, 174850, 201750, 208475, 216814, 250170, 262275, 302250, 325221, 416950, 437125, 524550, 542035, 625425, 650442, 874250, 1042375, 1084070, 1250850, 1311375, 1626105, 2084750, 2622750, 2710175, 3127125, 3252210, 5420350, 6254250, 8130525, 13550875, 16261050, 27101750, 40652625, 81305250]

約数ペア:

[(1, 81305250), (2, 40652625), (3, 27101750), (5, 16261050), (6, 13550875), (10, 8130525), (13, 6254250), (15, 5420350), (25, 3252210), (26, 3127125), (30, 2710175), (31, 2622750), (39, 2084750), (50, 1626105), (62, 1311375), (65, 1250850), (75, 1084070), (78, 1042375), (93, 874250), (125, 650442), (130, 625425), (150, 542035), (155, 524550), (186, 437125), (195, 416950), (250, 325221), (269, 302250), (310, 262275), (325, 250170), (375, 216814), (390, 208475), (403, 201750), (465, 174850), (538, 151125), (650, 125085), (750, 108407), (775, 104910), (806, 100875), (807, 100750), (930, 87425), (975, 83390), (1209, 67250), (1345, 60450), (1550, 52455), (1614, 50375), (1625, 50034), (1950, 41695), (2015, 40350), (2325, 34970), (2418, 33625), (2690, 30225), (3250, 25017), (3497, 23250), (3875, 20982), (4030, 20175), (4035, 20150), (4650, 17485), (4875, 16678), (6045, 13450), (6725, 12090), (6994, 11625), (7750, 10491), (8070, 10075), (8339, 9750)]