19445720400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{16319}}^1$

素因数の和:16674

約数の個数: 180

約数和(自身を含む): 67690072320

約数和(自身を除く): 48244351920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 331, 360, 400, 450, 600, 662, 720, 900, 993, 1200, 1324, 1655, 1800, 1986, 2648, 2979, 3310, 3600, 3972, 4965, 5296, 5958, 6620, 7944, 8275, 9930, 11916, 13240, 14895, 15888, 16319, 16550, 19860, 23832, 24825, 26480, 29790, 32638, 33100, 39720, 47664, 48957, 49650, 59580, 65276, 66200, 74475, 79440, 81595, 97914, 99300, 119160, 130552, 132400, 146871, 148950, 163190, 195828, 198600, 238320, 244785, 261104, 293742, 297900, 326380, 391656, 397200, 407975, 489570, 587484, 595800, 652760, 734355, 783312, 815950, 979140, 1174968, 1191600, 1223925, 1305520, 1468710, 1631900, 1958280, 2349936, 2447850, 2937420, 3263800, 3671775, 3916560, 4895700, 5401589, 5874840, 6527600, 7343550, 9791400, 10803178, 11749680, 14687100, 16204767, 19582800, 21606356, 27007945, 29374200, 32409534, 43212712, 48614301, 54015890, 58748400, 64819068, 81023835, 86425424, 97228602, 108031780, 129638136, 135039725, 162047670, 194457204, 216063560, 243071505, 259276272, 270079450, 324095340, 388914408, 405119175, 432127120, 486143010, 540158900, 648190680, 777828816, 810238350, 972286020, 1080317800, 1215357525, 1296381360, 1620476700, 1944572040, 2160635600, 2430715050, 3240953400, 3889144080, 4861430100, 6481906800, 9722860200, 19445720400]

約数ペア:

[(1, 19445720400), (2, 9722860200), (3, 6481906800), (4, 4861430100), (5, 3889144080), (6, 3240953400), (8, 2430715050), (9, 2160635600), (10, 1944572040), (12, 1620476700), (15, 1296381360), (16, 1215357525), (18, 1080317800), (20, 972286020), (24, 810238350), (25, 777828816), (30, 648190680), (36, 540158900), (40, 486143010), (45, 432127120), (48, 405119175), (50, 388914408), (60, 324095340), (72, 270079450), (75, 259276272), (80, 243071505), (90, 216063560), (100, 194457204), (120, 162047670), (144, 135039725), (150, 129638136), (180, 108031780), (200, 97228602), (225, 86425424), (240, 81023835), (300, 64819068), (331, 58748400), (360, 54015890), (400, 48614301), (450, 43212712), (600, 32409534), (662, 29374200), (720, 27007945), (900, 21606356), (993, 19582800), (1200, 16204767), (1324, 14687100), (1655, 11749680), (1800, 10803178), (1986, 9791400), (2648, 7343550), (2979, 6527600), (3310, 5874840), (3600, 5401589), (3972, 4895700), (4965, 3916560), (5296, 3671775), (5958, 3263800), (6620, 2937420), (7944, 2447850), (8275, 2349936), (9930, 1958280), (11916, 1631900), (13240, 1468710), (14895, 1305520), (15888, 1223925), (16319, 1191600), (16550, 1174968), (19860, 979140), (23832, 815950), (24825, 783312), (26480, 734355), (29790, 652760), (32638, 595800), (33100, 587484), (39720, 489570), (47664, 407975), (48957, 397200), (49650, 391656), (59580, 326380), (65276, 297900), (66200, 293742), (74475, 261104), (79440, 244785), (81595, 238320), (97914, 198600), (99300, 195828), (119160, 163190), (130552, 148950), (132400, 146871)]