40498920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:525

約数の個数: 256

約数和(自身を含む): 168652800

約数和(自身を除く): 128153880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 487, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 974, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1461, 1485, 1512, 1540, 1848, 1890, 1948, 1980, 2079, 2310, 2376, 2435, 2520, 2772, 2922, 2970, 3080, 3409, 3465, 3780, 3896, 3960, 4158, 4383, 4620, 4870, 5357, 5544, 5844, 5940, 6818, 6930, 7305, 7560, 8316, 8766, 9240, 9740, 10227, 10395, 10714, 11688, 11880, 13149, 13636, 13860, 14610, 16071, 16632, 17045, 17532, 19480, 20454, 20790, 21428, 21915, 26298, 26785, 27272, 27720, 29220, 30681, 32142, 34090, 35064, 37499, 40908, 41580, 42856, 43830, 48213, 51135, 52596, 53570, 58440, 61362, 64284, 65745, 68180, 74998, 80355, 81816, 83160, 87660, 92043, 96426, 102270, 105192, 107140, 112497, 122724, 128568, 131490, 136360, 144639, 149996, 153405, 160710, 175320, 184086, 187495, 192852, 204540, 214280, 224994, 241065, 245448, 262980, 289278, 299992, 306810, 321420, 337491, 368172, 374990, 385704, 409080, 449988, 460215, 482130, 525960, 562485, 578556, 613620, 642840, 674982, 723195, 736344, 749980, 899976, 920430, 964260, 1012473, 1124970, 1157112, 1227240, 1349964, 1446390, 1499960, 1687455, 1840860, 1928520, 2024946, 2249940, 2699928, 2892780, 3374910, 3681720, 4049892, 4499880, 5062365, 5785560, 6749820, 8099784, 10124730, 13499640, 20249460, 40498920]

約数ペア:

[(1, 40498920), (2, 20249460), (3, 13499640), (4, 10124730), (5, 8099784), (6, 6749820), (7, 5785560), (8, 5062365), (9, 4499880), (10, 4049892), (11, 3681720), (12, 3374910), (14, 2892780), (15, 2699928), (18, 2249940), (20, 2024946), (21, 1928520), (22, 1840860), (24, 1687455), (27, 1499960), (28, 1446390), (30, 1349964), (33, 1227240), (35, 1157112), (36, 1124970), (40, 1012473), (42, 964260), (44, 920430), (45, 899976), (54, 749980), (55, 736344), (56, 723195), (60, 674982), (63, 642840), (66, 613620), (70, 578556), (72, 562485), (77, 525960), (84, 482130), (88, 460215), (90, 449988), (99, 409080), (105, 385704), (108, 374990), (110, 368172), (120, 337491), (126, 321420), (132, 306810), (135, 299992), (140, 289278), (154, 262980), (165, 245448), (168, 241065), (180, 224994), (189, 214280), (198, 204540), (210, 192852), (216, 187495), (220, 184086), (231, 175320), (252, 160710), (264, 153405), (270, 149996), (280, 144639), (297, 136360), (308, 131490), (315, 128568), (330, 122724), (360, 112497), (378, 107140), (385, 105192), (396, 102270), (420, 96426), (440, 92043), (462, 87660), (487, 83160), (495, 81816), (504, 80355), (540, 74998), (594, 68180), (616, 65745), (630, 64284), (660, 61362), (693, 58440), (756, 53570), (770, 52596), (792, 51135), (840, 48213), (924, 43830), (945, 42856), (974, 41580), (990, 40908), (1080, 37499), (1155, 35064), (1188, 34090), (1260, 32142), (1320, 30681), (1386, 29220), (1461, 27720), (1485, 27272), (1512, 26785), (1540, 26298), (1848, 21915), (1890, 21428), (1948, 20790), (1980, 20454), (2079, 19480), (2310, 17532), (2376, 17045), (2435, 16632), (2520, 16071), (2772, 14610), (2922, 13860), (2970, 13636), (3080, 13149), (3409, 11880), (3465, 11688), (3780, 10714), (3896, 10395), (3960, 10227), (4158, 9740), (4383, 9240), (4620, 8766), (4870, 8316), (5357, 7560), (5544, 7305), (5844, 6930), (5940, 6818)]