128575800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1254

約数の個数: 144

約数和(自身を含む): 439253880

約数和(自身を除く): 310678080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 150, 180, 183, 200, 225, 244, 300, 305, 360, 366, 450, 488, 549, 600, 610, 732, 900, 915, 1098, 1171, 1220, 1464, 1525, 1800, 1830, 2196, 2342, 2440, 2745, 3050, 3513, 3660, 4392, 4575, 4684, 5490, 5855, 6100, 7026, 7320, 9150, 9368, 10539, 10980, 11710, 12200, 13725, 14052, 17565, 18300, 21078, 21960, 23420, 27450, 28104, 29275, 35130, 36600, 42156, 46840, 52695, 54900, 58550, 70260, 71431, 84312, 87825, 105390, 109800, 117100, 140520, 142862, 175650, 210780, 214293, 234200, 263475, 285724, 351300, 357155, 421560, 428586, 526950, 571448, 642879, 702600, 714310, 857172, 1053900, 1071465, 1285758, 1428620, 1714344, 1785775, 2107800, 2142930, 2571516, 2857240, 3214395, 3571550, 4285860, 5143032, 5357325, 6428790, 7143100, 8571720, 10714650, 12857580, 14286200, 16071975, 21429300, 25715160, 32143950, 42858600, 64287900, 128575800]

約数ペア:

[(1, 128575800), (2, 64287900), (3, 42858600), (4, 32143950), (5, 25715160), (6, 21429300), (8, 16071975), (9, 14286200), (10, 12857580), (12, 10714650), (15, 8571720), (18, 7143100), (20, 6428790), (24, 5357325), (25, 5143032), (30, 4285860), (36, 3571550), (40, 3214395), (45, 2857240), (50, 2571516), (60, 2142930), (61, 2107800), (72, 1785775), (75, 1714344), (90, 1428620), (100, 1285758), (120, 1071465), (122, 1053900), (150, 857172), (180, 714310), (183, 702600), (200, 642879), (225, 571448), (244, 526950), (300, 428586), (305, 421560), (360, 357155), (366, 351300), (450, 285724), (488, 263475), (549, 234200), (600, 214293), (610, 210780), (732, 175650), (900, 142862), (915, 140520), (1098, 117100), (1171, 109800), (1220, 105390), (1464, 87825), (1525, 84312), (1800, 71431), (1830, 70260), (2196, 58550), (2342, 54900), (2440, 52695), (2745, 46840), (3050, 42156), (3513, 36600), (3660, 35130), (4392, 29275), (4575, 28104), (4684, 27450), (5490, 23420), (5855, 21960), (6100, 21078), (7026, 18300), (7320, 17565), (9150, 14052), (9368, 13725), (10539, 12200), (10980, 11710)]