215189910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:423

約数の個数: 192

約数和(自身を含む): 660441600

約数和(自身を除く): 445251690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 31, 34, 39, 45, 51, 62, 65, 78, 85, 90, 93, 102, 117, 130, 153, 155, 170, 186, 195, 221, 234, 255, 279, 306, 310, 349, 390, 403, 442, 465, 510, 527, 558, 585, 663, 698, 765, 806, 930, 1047, 1054, 1105, 1170, 1209, 1326, 1395, 1530, 1581, 1745, 1989, 2015, 2094, 2210, 2418, 2635, 2790, 3141, 3162, 3315, 3490, 3627, 3978, 4030, 4537, 4743, 5235, 5270, 5933, 6045, 6282, 6630, 6851, 7254, 7905, 9074, 9486, 9945, 10470, 10819, 11866, 12090, 13611, 13702, 15705, 15810, 17799, 18135, 19890, 20553, 21638, 22685, 23715, 27222, 29665, 31410, 32457, 34255, 35598, 36270, 40833, 41106, 45370, 47430, 53397, 54095, 59330, 61659, 64914, 68055, 68510, 77129, 81666, 88995, 97371, 102765, 106794, 108190, 123318, 136110, 140647, 154258, 162285, 177990, 183923, 194742, 204165, 205530, 231387, 266985, 281294, 308295, 324570, 367846, 385645, 408330, 421941, 462774, 486855, 533970, 551769, 616590, 694161, 703235, 771290, 843882, 919615, 973710, 1103538, 1156935, 1265823, 1388322, 1406470, 1655307, 1839230, 2109705, 2313870, 2390999, 2531646, 2758845, 3310614, 3470805, 4219410, 4781998, 5517690, 6329115, 6941610, 7172997, 8276535, 11954995, 12658230, 14345994, 16553070, 21518991, 23909990, 35864985, 43037982, 71729970, 107594955, 215189910]

約数ペア:

[(1, 215189910), (2, 107594955), (3, 71729970), (5, 43037982), (6, 35864985), (9, 23909990), (10, 21518991), (13, 16553070), (15, 14345994), (17, 12658230), (18, 11954995), (26, 8276535), (30, 7172997), (31, 6941610), (34, 6329115), (39, 5517690), (45, 4781998), (51, 4219410), (62, 3470805), (65, 3310614), (78, 2758845), (85, 2531646), (90, 2390999), (93, 2313870), (102, 2109705), (117, 1839230), (130, 1655307), (153, 1406470), (155, 1388322), (170, 1265823), (186, 1156935), (195, 1103538), (221, 973710), (234, 919615), (255, 843882), (279, 771290), (306, 703235), (310, 694161), (349, 616590), (390, 551769), (403, 533970), (442, 486855), (465, 462774), (510, 421941), (527, 408330), (558, 385645), (585, 367846), (663, 324570), (698, 308295), (765, 281294), (806, 266985), (930, 231387), (1047, 205530), (1054, 204165), (1105, 194742), (1170, 183923), (1209, 177990), (1326, 162285), (1395, 154258), (1530, 140647), (1581, 136110), (1745, 123318), (1989, 108190), (2015, 106794), (2094, 102765), (2210, 97371), (2418, 88995), (2635, 81666), (2790, 77129), (3141, 68510), (3162, 68055), (3315, 64914), (3490, 61659), (3627, 59330), (3978, 54095), (4030, 53397), (4537, 47430), (4743, 45370), (5235, 41106), (5270, 40833), (5933, 36270), (6045, 35598), (6282, 34255), (6630, 32457), (6851, 31410), (7254, 29665), (7905, 27222), (9074, 23715), (9486, 22685), (9945, 21638), (10470, 20553), (10819, 19890), (11866, 18135), (12090, 17799), (13611, 15810), (13702, 15705)]