161145720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 256

約数和(自身を含む): 581644800

約数和(自身を除く): 420499080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 67, 68, 72, 85, 90, 102, 108, 120, 131, 134, 135, 136, 153, 170, 180, 201, 204, 216, 255, 262, 268, 270, 306, 335, 340, 360, 393, 402, 408, 459, 510, 524, 536, 540, 603, 612, 655, 670, 680, 765, 786, 804, 918, 1005, 1020, 1048, 1080, 1139, 1179, 1206, 1224, 1310, 1340, 1530, 1572, 1608, 1809, 1836, 1965, 2010, 2040, 2227, 2278, 2295, 2358, 2412, 2620, 2680, 3015, 3060, 3144, 3417, 3537, 3618, 3672, 3930, 4020, 4454, 4556, 4590, 4716, 4824, 5240, 5695, 5895, 6030, 6120, 6681, 6834, 7074, 7236, 7860, 8040, 8777, 8908, 9045, 9112, 9180, 9432, 10251, 11135, 11390, 11790, 12060, 13362, 13668, 14148, 14472, 15720, 17085, 17554, 17685, 17816, 18090, 18360, 20043, 20502, 22270, 22780, 23580, 24120, 26331, 26724, 27336, 28296, 30753, 33405, 34170, 35108, 35370, 36180, 40086, 41004, 43885, 44540, 45560, 47160, 51255, 52662, 53448, 60129, 61506, 66810, 68340, 70216, 70740, 72360, 78993, 80172, 82008, 87770, 89080, 100215, 102510, 105324, 120258, 123012, 131655, 133620, 136680, 141480, 149209, 153765, 157986, 160344, 175540, 200430, 205020, 210648, 236979, 240516, 246024, 263310, 267240, 298418, 300645, 307530, 315972, 351080, 394965, 400860, 410040, 447627, 473958, 481032, 526620, 596836, 601290, 615060, 631944, 746045, 789930, 801720, 895254, 947916, 1053240, 1184895, 1193672, 1202580, 1230120, 1342881, 1492090, 1579860, 1790508, 1895832, 2238135, 2369790, 2405160, 2685762, 2984180, 3159720, 3581016, 4028643, 4476270, 4739580, 5371524, 5968360, 6714405, 8057286, 8952540, 9479160, 10743048, 13428810, 16114572, 17905080, 20143215, 26857620, 32229144, 40286430, 53715240, 80572860, 161145720]

約数ペア:

[(1, 161145720), (2, 80572860), (3, 53715240), (4, 40286430), (5, 32229144), (6, 26857620), (8, 20143215), (9, 17905080), (10, 16114572), (12, 13428810), (15, 10743048), (17, 9479160), (18, 8952540), (20, 8057286), (24, 6714405), (27, 5968360), (30, 5371524), (34, 4739580), (36, 4476270), (40, 4028643), (45, 3581016), (51, 3159720), (54, 2984180), (60, 2685762), (67, 2405160), (68, 2369790), (72, 2238135), (85, 1895832), (90, 1790508), (102, 1579860), (108, 1492090), (120, 1342881), (131, 1230120), (134, 1202580), (135, 1193672), (136, 1184895), (153, 1053240), (170, 947916), (180, 895254), (201, 801720), (204, 789930), (216, 746045), (255, 631944), (262, 615060), (268, 601290), (270, 596836), (306, 526620), (335, 481032), (340, 473958), (360, 447627), (393, 410040), (402, 400860), (408, 394965), (459, 351080), (510, 315972), (524, 307530), (536, 300645), (540, 298418), (603, 267240), (612, 263310), (655, 246024), (670, 240516), (680, 236979), (765, 210648), (786, 205020), (804, 200430), (918, 175540), (1005, 160344), (1020, 157986), (1048, 153765), (1080, 149209), (1139, 141480), (1179, 136680), (1206, 133620), (1224, 131655), (1310, 123012), (1340, 120258), (1530, 105324), (1572, 102510), (1608, 100215), (1809, 89080), (1836, 87770), (1965, 82008), (2010, 80172), (2040, 78993), (2227, 72360), (2278, 70740), (2295, 70216), (2358, 68340), (2412, 66810), (2620, 61506), (2680, 60129), (3015, 53448), (3060, 52662), (3144, 51255), (3417, 47160), (3537, 45560), (3618, 44540), (3672, 43885), (3930, 41004), (4020, 40086), (4454, 36180), (4556, 35370), (4590, 35108), (4716, 34170), (4824, 33405), (5240, 30753), (5695, 28296), (5895, 27336), (6030, 26724), (6120, 26331), (6681, 24120), (6834, 23580), (7074, 22780), (7236, 22270), (7860, 20502), (8040, 20043), (8777, 18360), (8908, 18090), (9045, 17816), (9112, 17685), (9180, 17554), (9432, 17085), (10251, 15720), (11135, 14472), (11390, 14148), (11790, 13668), (12060, 13362)]